Advertisements
Advertisements
प्रश्न
Is power a scalar or a vector quantity?
Advertisements
उत्तर
Power is a scalar quantity.
संबंधित प्रश्न
A coolie is moving on a road with a luggage on his head. Does he perform work against the force of gravity? Give reason for your answer.
A body, when acted upon by a force of 10 kgf, moves to a distance 0.5 m in the direction of force. Find the work done by the force. Take 1 kgf = 10 N.
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?
Is work done a scalar or a vector physical quantity?
A man lifts a mass of 10 kg from the floor to a shelf 4 meter high. If g = 10 ms-2, what is the work done?
Fill in the boxe to show the corresponding energy transformation.
State larger units of power.
A proton is kept at rest. A positively charged particle is released from rest at a distance d in its field. Consider two experiments; one in which the charged particle is also a proton and in another, a positron. In the same time t, the work done on the two moving charged particles is ______.
