Advertisements
Advertisements
Question
What happens to the potential energy of a body when its height is doubled?
Solution
Potential energy of a body is directly proportional to the height of the body. So, if the height of the object is doubled, then the potential energy also gets doubled.
APPEARS IN
RELATED QUESTIONS
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.
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.
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 weightlifter is lifting weights of mass 200 kg up to a height of 2 metres. If g = 9.8 m s−2, calculate :
work done by the weightlifter
A boy weighing 50 kg climbs up a vertical height of 100 m. Calculate the amount of work done by him. How much potential energy does he gain? (g = 9.8 m/s2)
Give one example each of a body possessing : (i) kinetic energy, and (ii) potential energy.
If we increase the velocity of a car moving on a flat surface to four times its original speed, its 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 ______.
The potential energy is