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प्रश्न
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
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उत्तर
The work done on a body moving in a circular path is zero.
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संबंधित प्रश्न
A bullet of mass 0.5 kg slows down from a speed of 5 m s-1 to that of 3 m s-1. Calculate the change in kinetic energy of the ball.
Explain degradation of energy by taking two examples of your daily life.
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
Explain by an example that a body may possess energy even when it is not in motion.
What is the SI unit of work?
(a) Define power and name its unit.
(b) A girl weighting 50 kg climbs up 60 steps each of 20 cm height in 5 minutes. Calculate the power developed.
A body of mass 0.5 kg travels on straight line path with velocity v = (3x2 + 4) m/s. The net work done by the force during its displacement from x = 0 tox = 2 m is ______.
