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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 between W1, W2 and W

(a)       W1>W2>W3

(b)   W1=W2=W3

(c)  W1<W2<W3

(d)  W2 >W1>W3

Answer: b

 

(11)

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