When a force retards the motion of a body, what is the nature of work done by force
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4
Explanation:
When a force retards or deaccelerate the motion of a body, the force must be applied in opposite direction of motion of body.
So, The force applied and displacement produced make an angle of 180 degrees.
Now,
Work done = Fs cos theta
= F cos 180 *s
= -Fs
Hence,The work done in order to stop a moving body, will be negative.
Answered by
1
Answer:
work done will be negative since theta = 180
Explanation:
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