Physics

Classical Mechanics Level 1

In case of negative work the angle between the force and displacement is:

45 ° 45° 0 ° 0° 180 ° 180° 90 ° 90°

Ankit Vijay by Ankit Vijay , 22, India

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2 solutions

Ankit Vijay
Jun 3, 2014

Δ W = F S c o s 180 ° = − F S = − v e ΔW = FS cos 180° = -FS = -ve

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damn u post a lot of question

Beakal Tiliksew - 7 years ago

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Well i had a lil spare time so why not :D

Ankit Vijay - 7 years ago

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could u make them a little harder.

Beakal Tiliksew - 7 years ago

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@Beakal Tiliksew – well ok ill try to I was just uploading questions i know how to do/solve So i will try ..

Ankit Vijay - 7 years ago

This question is wrong: the work is negative for any angle greater than 90°, not just 180°.

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