Question

15. Explain with the help of an example, what is meant by potential energy? Write down the expression
for the gravitational potential energy of a body of mass m placed at a heighth above the surface of the earth

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Answer 1

Answer:

Potential energy is the energy possessed by the virtue of position and configuration(shape and size). P.E.= mgh. here g is accerelation due to gravity. h is the vertical height from the ground. m is the mass of object.

Explanation:

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Answer 2

Answer:

If we lift the brick to the roof of a house, the work done in lifting the brick against gravity gets stored in it in the form of potential energy. Thus, the energy in the brick is due to its higher position with respect to the ground, which is known as potential energy