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Solution


Q.

A body of mass 50 kg is lifted to a height of 20 m from the ground in the two different ways as shown in the figures. The ratio of work done against the gravity in both the respective cases, will be         [2024]
1 2 : 1  
2 1 : 2  
3 3 : 2  
4 1 : 1  

Ans.

(4)

Work done by gravity is path independent, it depends only on vertical displacement, so same work is done in both paths.