General Science Math (JSC, SSC)_ Part_1

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mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> <br /> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Vrinda","sans-serif"; mso-no-proof: yes;"> </span><b><span style="color: blue; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">নিচের চিত্রটি দেখ এবং প্রশ্ন গুলোর উত্তর দাও।</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div align="center" class="MsoNormal" style="text-align: center;"> <span style="font-family: "Vrinda","sans-serif"; mso-no-proof: yes;"><br /></span><span style="font-family: "Vrinda","sans-serif";"></span></div> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK2_WMX5QuGcCThcTrA4G9NPGYKPdUd7BI1hw6QCmzBFPvVZcPo5_ZtCCyb3WQRbHfhzRXNrgTwc_-pkS4VQkt3_FOgmNZcKkVE1ygZoskTc84s2cfAT9IwsXgLoHAIwKvWOJhagEiDOo/s1600/Sutro_main_1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="295" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK2_WMX5QuGcCThcTrA4G9NPGYKPdUd7BI1hw6QCmzBFPvVZcPo5_ZtCCyb3WQRbHfhzRXNrgTwc_-pkS4VQkt3_FOgmNZcKkVE1ygZoskTc84s2cfAT9IwsXgLoHAIwKvWOJhagEiDOo/s400/Sutro_main_1.jpg" width="400" /></a></div> <div class="separator" style="clear: both; text-align: center;"> </div> <div align="center" class="MsoNormal" style="text-align: center;"> <span style="font-family: "Vrinda","sans-serif"; mso-no-proof: yes;"><br /></span><span style="font-family: "Vrinda","sans-serif";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <b><span style="color: blue; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span></b><b><span style="color: red; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">প্রশ্ন ১:</span></b><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> বস্তুটিকে ছাদের উপর ওঠাতে কি পরিমান কাজ করা হয়েছে? সমীকরনের মাধ্যমে প্রকাশ কর?</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <br /></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <b><span style="background: yellow; font-family: "Vrinda","sans-serif";">সমাধান ১ : </span></b><b><span style="background: white; font-family: "Vrinda","sans-serif";"> </span></b><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">কাজের পরিমানের সমীকরন: বস্তুটিকে ছাদে ওঠাতে কাজের পরিমাপ </span><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = Fx</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">এখানে </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W </span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">= মোট কাজের পরিমান</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">F</span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> = প্রযুক্ত বল</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">x</span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> = ছাদের উচ্চতা</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">অতএব, কাজের পরিমানের সমীকরন, </span><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = Fh</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> [</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: "Cambria Math"; mso-fareast-font-family: "Times New Roman";">∵ </span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">x=h]</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">                     </span></span><span style="font-family: "Vrinda","sans-serif"; font-size: 7.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;"> </span></span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;"> </span><b style="mso-bidi-font-weight: normal;">বা, </b></span><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = F × 20m</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> [</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: "Cambria Math"; mso-fareast-font-family: "Times New Roman";">∵</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Vrinda","sans-serif"; font-size: 6.0pt; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: "Times New Roman";"> </span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">h=20m]</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: "Cambria Math"; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">                                                                  </span><b style="mso-bidi-font-weight: normal;">∴</b></span><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> W = 20 fm</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">বি:দ্র: কাজ, </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = Fx; F</span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> = বল; </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">x</span><span style="font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> = দূরত্ব বা উচ্চতা</span><span style="font-family: PoshurOMJ; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <br /></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <br /></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <b><span style="color: red; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">প্রশ্ন ২:</span></b><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> বস্তুটিকে ছাদের উপর ওঠাতে যদি ৫০ একক বল প্রয়োগ করা হয় তাহলে কাজের পরিমান নির্ণয় কর।</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <b><span style="background: yellow; color: black; font-family: "Vrinda","sans-serif";">সমাধান ২ :</span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span></b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> কাজের পরিমান নির্ণয়: আমারা জানি, কাজের পরিমান, </span><b style="mso-bidi-font-weight: normal;"><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = Fh<span style="mso-bidi-font-weight: bold;">……………… (</span></span></b><b><span style="color: black; font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman";">𝖎</span></b><b><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">) </span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">এখানে, </span><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">F </span><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">= বস্তুটিকে ছাদে ওঠাতে প্রয়োগকৃত বল</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">      </span>= ৫০ নিউটন (একটি একক এস.আই এককে দেওয়া ছিল বলে একেও এস.আই এককে দেখানো হল)</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">      </span></span><b><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">X = h =</span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> ছাদের উচ্চতা</span></b><b><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> =</span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> ২০ মিটার</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">(</span><span style="color: black; font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman";">𝖎</span><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">) </span><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">নং সমীকরনে মান বসিয়ে পাই,</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">কাজের পরিমান, </span><b><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">W = </span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;"> </span>৫০ নিউটন </span></b><b><span style="color: black; font-family: "Cambria Math","serif"; font-size: 12.0pt; mso-bidi-font-family: Vrinda; mso-fareast-font-family: "Times New Roman";">×</span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> ২০ মিটার</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">                                </span><b>= </b></span><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">১০০০</span></b><b><span style="color: black; font-family: SutonnyMJ; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"> </span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">নিউটন </span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <b><span style="color: black; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-spacerun: yes;">                             </span><span style="mso-spacerun: yes;">   </span>= </span></b><b><span style="color: black; font-family: "Vrinda","sans-serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">১০০০ জুল</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;"> <b><span style="color: black; font-family: "Vrinda","sans-serif";">অতএব, নির্নেয় কাজের পরিমান ১০০০ জুল।</span></b><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div> <div class="MsoNormal" style="line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"> <br /></div> <div class="MsoNormal"> <br /></div> </div>

General Science Math (JSC SSC) General Science Math (JSC, SSC)_ Part_1

  নিচের চিত্রটি দেখ এবং প্রশ্ন গুলোর উত্তর দাও।   প্রশ্ন ১: বস্তুটিকে ছাদের উপর ওঠাতে কি পরিমান কাজ করা হয়েছে? সমীকরনের মাধ...

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