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प्रश्न
On what factors does the gravitational potential energy of a body depend?
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उत्तर
Gravitational potential energy of a body depends on its position above the ground.
Example - A book kept on a table possesses gravitational potential energy because of its position above the ground.
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संबंधित प्रश्न
A body of mass m is moved from ground to a height h. If force of gravity on mass of 1 kg is g newton, find the potential energy stored in the body.
Two bodies of same masses are placed at heights h and 2h. Compare their gravitational potential energy.
Define the term potential energy of a body.
Is potential energy a vector or a scalar quantity?
What happens to the potential energy of a body when its height is doubled?
Give one example each of a body possessing : (i) kinetic energy, and (ii) potential energy.
A body of mass 2 kg is thrown vertically upwards with an initial velocity of 20 m/s. What will be its potential energy at the end of 2 s? (Assume g = 10 m/s2).
A car is accelerated on a levelled road and acquires a velocity 4 times of its initial velocity. During this process, the potential energy of the car :
Prove that the kinetic energy of a freely falling object on reaching the ground is nothing but the transformation of its initial potential energy.
What energy is possessed by stretched rubber?
