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Question
State whether the following statement is true or false :
The potential energy of a body of mass 1 kg kept at a height of 1 m is 1 J.
The potential energy of a body of mass 1 kg kept at a height of 1 m is 1 J.
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Solution
The given statement is false.
We know, PE = mgh
So, for h = 1 m, m = 1 kg and g = 9.8 m/s2 the PE is = (1)(9.8)(1) = 9.8 J
We know, PE = mgh
So, for h = 1 m, m = 1 kg and g = 9.8 m/s2 the PE is = (1)(9.8)(1) = 9.8 J
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