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Answer to Question #314411 in Physics for Merv

Question #314411

A force of 3i+2j+4k N gives displacement of 10j m.the work done is?


A. 20J


B. 26J


C. 32J


D. Zero

1
Expert's answer
2022-03-20T18:48:27-0400

The work done

"W=\\vec F\\cdot \\vec d"

"W=(3\\hat i+2\\hat j+4\\hat k)\\cdot (10\\hat j)\\\\\n=20\\:\\rm J"


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