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प्रश्न
Potential energy and heat energy are the two forms of mechanical energy.
विकल्प
True
False
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उत्तर
Potential energy and heat energy are the two forms of mechanical energy- False.
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संबंधित प्रश्न
Two bodies A and B of masses 10 kg and 20 kg respectively are at the same height above the ground. Which of the two has greater potential energy?
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.
The potential energy of a body is the energy by virtue of its ______.
A body falls freely under gravity from rest. Name the kind of energy it will possess at the point from where it falls.
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.
Give one example each of a body possessing : (i) kinetic energy, and (ii) potential energy.
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 ______.
