InterviewSolution
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InterviewSolution
| 1. |
A bodyis displacedby 2min Z - direction by a force (-4,2,6)N . Find the work done ………. |
| Answer» <html><body><p>`- 8 J ` <br/><a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a> J <br/><a href="https://interviewquestions.tuteehub.com/tag/12-269062" style="font-weight:bold;" target="_blank" title="Click to know more about 12">12</a> J <br/><a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> J </p>Solution :`W = vec(F) . Vec(d) = ( - 4hat(i) +2 hat(j) +6hat(<a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a>)).(2hat(k))`<br/> ` = - 4xx0 +2 xx 0 + <a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a> xx2 ` <br/> = 12 J</body></html> | |