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A block of mass 10 kg is released on a fixed wedge inside a cart which is moved with constant velocity 10 ms-1 towards right. Take initial velocity of block with respect to cart zero. Then work done by normal reaction on block in two second from ground frame will be (g = 10 ms-2)

A block of mass 10 kg is released on a fixed wedge inside a cart which is moved with constant velocity 10 ms-1 towards right. Take initial velocity of block with respect to cart zero. Then work done by normal reaction on block in two second from ground frame will be (g = 10 ms-2)

Grade:12th pass

1 Answers

Muzamil Hussain
11 Points
5 years ago
Workdone by normal reaction will be zero as there is 90 degree angle bw the force and displacement .
So workdone =F.dcos theta 
N.d cos90= 0

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