Advertisements
Advertisements
प्रश्न
What is the condition for a force to do work on a body?
Advertisements
उत्तर
The necessary condition for force to do work is that the applied force should produce motion in the body in any direction except the direction perpendicular to the force applied.
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?
No work is done by a force if the body
A force of 30 N acts on a body and moves it through a distance of 5 m in the direction of force. Calculate the work done by the force.
What do you mean by degradation of energy?
Name the physical quantity whose SI unit is Nm.
Why does a spanner have a long handle?
Give two examples of work done.
Can work done be zero even if force acts on the body?
A body of mass 60 kg has the momentum 3000 kgm/s-1. Calculate: the speed of the body.
