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A gravitational field is present in a region. A point mass is shifted from A to B, along different paths shown in the figure. If W1 , W2 and W3 represent the work done by gravitational force for respective paths, then
- W1=W2=W3
- W1>W2>W3
- W1>W3>W2
- none of these
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Solution
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Work done is independent of the distance traveled or the path chosen. It depends only on the displacement.
Since for all the paths given, the displacement is same, the work done by gravitational field in each case is equal.
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