Suppose the block from the previous question is launched with the same initial s

Question

Suppose the block from the previous question is launched with the same initial speed v_0 on the following frictionless ramps. In each case, state whether the magnitude of the net work done on the block from the bottom to the top of the ramp is greater than, less than, or equal to the magnitude of the work done on the block in Question 1. Explain your answer in each case. Case a: the ramp is steeper (alpha > Theta) case b: The ramp has two sections of different slope case c: the ramp is curved

Explanation / Answer

as all the ramps have same height and are frictionless.so work done is equal to mgh in all cases. Here only gravitational force oppose the motion so work done is mgh and same for all.

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