Advertisements
Advertisements
प्रश्न
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
लघु उत्तर
Advertisements
उत्तर
When a force F displaces a body through a distance S in the direction of the applied force, then the work done W on the body is given by the expression:
Work done = Force × Displacement
W = F × s
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
Name the physical quantity whose SI unit is Nm.
What is the relationship between Nm and dyne cm?
Why does a spanner have a long handle?
Why is the work done on an object moving along a circular path zero?
What do you mean by a kilo joule?
Give two examples of kinetic energy.
Is kinetic energy a scalar or a vector physical quantity?
A lead bullet moving at 70 ms-1 is brought to rest on hitting a target. If 80% of its energy is converted into heat energy, find the rise in temperature (Sp. Heat cap. Of lead is 140 J/kgK).
A is a push or a pull ______.
