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प्रश्न
In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
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उत्तर
Yes.
संबंधित प्रश्न
A boy weighing 25 kgf climbs up from the first floor at height 3 m above the ground to the third floor at height 9m above the ground. What will be the increase in his gravitational potential energy? (Take g = 10 N kg -1)
How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
State the SI unit of work.
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.
Its moment of a force scalar or a vector quantity?
Name the physical quantity whose SI unit is Nm.
Is the motion of moon around the earth in circular path an accelerated motion?
