Advertisements
Advertisements
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.
Advertisements
उत्तर
This work done W is stored in the body in the form of Potential energy P. E. = mgh.
APPEARS IN
संबंधित प्रश्न
Gravitational potential energy U = mass × force of gravity on unit mass × ..........
State two factors on which the potential energy of a body at a certain height above the ground depends.
A body falls freely under gravity from rest. Name the kind of energy it will possess at the point from where it falls.
What happens to the potential energy of a body when its height is doubled?
To what height should a box of mass 150 kg be lifted, so that its potential energy may become 7350 joules? (g = 9.8 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.
What is the difference between gravitational potential energy and elastic potential energy? Give one example of a body having gravitational potential energy and another having elastic potential energy.
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 :
If we increase the velocity of a car moving on a flat surface to four times its original speed, its potential energy ______.
What energy is possessed by stretched rubber?
