Advertisements
Advertisements
प्रश्न
State two factors on which the work done on a body depends.
Advertisements
उत्तर
Two factors are :
(i) Magnitude of force applied (F).
(ii) Distance moved by the body in the direction of force (d) or (5)
APPEARS IN
संबंधित प्रश्न
A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How much work is done in ploughing the length of the field?
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.
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?
Explain the difference between a uniform linear motion and a uniform circular motion.
Nm is the unit of .......
Distinguish between work and power.
Complete the following sentences:
The SI unit of work is ....... and of power is .......
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
What should be the characteristic of a source of energy?
