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Question

Question: A block of mass 10 kg is released on a fixed wedge inside a cart which is moved with constant veloci...

A block of mass 10 kg is released on a fixed wedge inside a cart which is moved with constant velocity 10 m/s towards right. Take initial velocity of block with respect to cart, zero. Then work done by normal reaction on block in 2 s from ground frame will be : (g = 10 m/s2)

A

1320 J

B

960 J

C

1200 J

D

240 J

Answer

960 J

Explanation

Solution

Work done depends upon frame of reference.