Advertisements
Advertisements
प्रश्न
उत्तर
The SI unit of centripetal force is newton (N).
APPEARS IN
संबंधित प्रश्न
Differentiate between work and power.
A boy weighing 350 N climbs up 30 steps, each 20 cm high in 1 minute, Calculate:
- the work done and
- power spent.
State the condition when a force produces
(i) linear motion.
(ii) rotational motion, in a body.
A man spends 7.4 kJ energy in displacing a body by 74 m in the direction in which he applies force, in 2.5 s. Calculate the power spent (in H.P) by the man.
Define 1 kgf., How is it related to the S.I. unit of force?
State the condition when the work done by the force is negative.
Derive a relation between the S.I. and C.G.S. unit of force.
For the following scenarios, state whether the work done by gravity is positive, negative, or zero.
A person walks on a levelled road.
