Q.

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 W3

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a

W1<W2<W3

b

W1=W2=W3

c

W1>W2>W3

d

W2<W1<W3

answer is B.

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Detailed Solution

In a conservative filed work done does not depend on the path i.e path independent. The gravitational field is a conservative field.
 W1=W2=W3

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