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Potential Energy of an Object at a Height

State whether...

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.

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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/s²the PE is = (1)(9.8)(1) = 9.8 J

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