A force of 20 N displays a body through a distance of 1 m at an angle of 60° from its own direction. Calculate the amount of work done.
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A force of 20 N displaces a body through a distance of 1 mat an angle of 60° from its own direction. Calculate the amount of work done.
Here,
force F = 20 N,
displacement, s = 1 m.
Angle between force and displacement 0 60°.
Workdone,
W =Fscos0
=20 X 1 X cos60°
=20X 1 X 1/2 = 10J.
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Given - Force, displacement and angle
Find - Amount of work done
Solution - The amount of work done is 10 Joules.
The amount of work done can be calculated using the formula - F * S * cos theta. In this formula, F represents force, S is for displacement.
Keep the values in the formula to find the amount of work done.
Work done = 20*1* cos 60°
Work done = 20*1/2
Work done = 10 Joules
So, the amount of work done is 10 Joules
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