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Question

If W1,W2 and W3 represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation


A

W1 > W2 > W3

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B

W1=W2=W3

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C

W1 < W2 < W3

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D

W2 > W1 > W3

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Solution

The correct option is B

W1=W2=W3


As gravitational field is conservative in nature, work done in moving a particle from A to B does not depend upon the path followed by the body. It's equal for all the paths between any two given positions.


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