Advertisements
Advertisements
Question
What is the condition for a force to do work on a body?
Advertisements
Solution
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
RELATED QUESTIONS
The S.I. unit of energy is .............
When does a force perform work?
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.
Give two examples of couple action in our daily life.
On what factors does the work done by a force depend?
Distinguish between work and power.
Why is less effort needed to lift a load over an inclined plane as compared to lifting the load directly?
A bucketful of water is to be drawn from a well ______ will be done when a ______ is applied to do this because there will be a ______ of water.
(displacement, work, force)
