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MHT CET 2019 (2 May, Shift 1) · Gravitational Potential & Energy

Gravitational Potential & Energy question from MHT CET 2019 (2 May, Shift 1)

Q22MHT CET 2019 · 2 MAY · SHIFT 1Easy

Gravitational Potential & Energy

If $W_1, W_2$ and $W_3$ represent the work done in moving a particle from $A$ to $B$ along three different paths 1,2 and 3 (as shown in fig) in the gravitational field of the point mass ' $m$ '. Find the correct relation between ' $W_1$ ', ' $W_2$ ' and ' $W_3$ '

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Answer: (c)

Gravity is a conservative force: work depends only on the end points, not on the path.
All three paths start at A and end at B.
So the answer is (c) $W_1 = W_2 = W_3$ .

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