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Question

If U1, U2 represents "change in potential energy" of a body with mass m moving from A to B along two different paths 1, & 2 (as shown in the figure) in the gravitational field. Then 

  1. U1=U2
  2. U1>U2
  3. U1<U2
  4. U1U2


Solution

The correct option is A U1=U2
Change in potential energy is path independent, depends only upon initial and final positions.

Here in the diagram the initial and final position for both paths is same, so (U1=U2)

Hence option A is the correct answer

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