Advertisements
Advertisements
Question
Name the force acting away from the centre of circular path.
Advertisements
Solution
Centrifugal force acts away from the centre of circular path.
APPEARS IN
RELATED QUESTIONS
A coolie does no work against the force of gravity while carrying a luggage on a road.
A boy of mass 40 kg climbs up the stairs and reaches the roof at a height 8 m in 5 s. Calculate:
- the force of gravity acting on the boy,
- the work done by him against the force of gravity,
- the power spent by boy. (Take g = 10 m s-2)
A machine raises a load of 750 N through a height of 16 m in 5 s. calculate:
- energy spent by machine,
- power at which the machine works.
Define 1 joule of work.
Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.
What should be the angle between the direction of force and the direction of motion of a body so that the work done is zero?
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
In what way does an ‘Ideal machine’ differ from a ‘Practical machine’?
