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प्रश्न
Name the physical quantity measured in terms of horse power.
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उत्तर
Horse power, or H.P., is defined as "the ability of an agent to work 746 joules per second." Power is a physical quantity.
Relation: 1 H.P. = 746 W = 0.746 kw
संबंधित प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
Give three examples of bodies possessing kinetic energy.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
Give two examples each of renewable and non-renewable sources of energy?
How much hydro-electric power is generated in India?
State two advantages and two disadvantages of using hydro-energy for producing electricity.
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
