Advertisements
Advertisements
Question
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
Solution
This work done W is stored in the body in the form of Potential energy P. E. = mgh.
APPEARS IN
RELATED QUESTIONS
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 of mass m is moved from ground to a height h. If the force of gravity on mass of 1 kg is g newton, find the force needed to lift the body.
Find the gravitational potential energy of 2.5 kg mass kept at a height of 15 m above the ground. The force of gravity on mass 1 kg is 10 n.
The gravitational potential energy stored in a box of weight 150 kgf is 1.5 × 104 J. Find the height of the box. Take 1 kgf = 10 N.
On what factors does the gravitational potential energy of a body depend?
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).
When a ball is thrown vertically upwards, its velocity goes on decreasing. What happens to its potential energy as its velocity becomes zero?
If we increase the velocity of a car moving on a flat surface to four times its original speed, its potential energy ______.
The potential energy is
