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प्रश्न
Potential energy and heat energy are the two forms of mechanical energy.
पर्याय
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?
Two bodies of same masses are placed at heights h and 2h. Compare their gravitational potential energy.
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.
A body at a height possesses ______.
Is potential energy a vector or a scalar quantity?
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.
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.
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 :
What energy is possessed by stretched rubber?
