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Question

Two bodies A and B of masses 10kg and 20kg respectively are at the same height above the ground. Which of the two has greater potential energy ?

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Solution

B o d y space A P E equals m subscript 1 g h P E equals 10 cross times g h B o d y space B P E equals m subscript 2 g h P E equals 20 cross times g h

As g is constant and h is same in both the cases
Pe2 is greater than PE.
Hence, Potential energy of body B (more mass) is greater than the P.E. of body A.
Or
As height of body A and is same and ‘g’ is constant, the body with greater mass i.e. body B has greater potential energy.

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