Advertisements
Advertisements
प्रश्न
On what factors does the gravitational potential energy of a body depend?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Gravitational potential energy U = mass × force of gravity on unit mass × ..........
Write the expression for the gravitational potential energy explaining the meaning of the symbols used.
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.
A weightlifter is lifting weights of mass 200 kg up to a height of 2 metres. If g = 9.8 m s−2, calculate :
potential energy acquired by the weights.
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).
Explain by an example what is meant by potential energy. Write down the expression for gravitational potential energy of a body of mass m placed at a height h above the surface of the earth.
Prove that the kinetic energy of a freely falling object on reaching the ground is nothing but the transformation of its initial potential energy.
How much energy is gained by a box of mass 20 kg when a man, raises the box by 0.5 m in order to place it inside the bus? (g=10 m/s-2)
The energy, possessed by an object due to its position is called ______.
Which of the following is the example potential energy?
