Advertisements
Advertisements
Question
What is the condition for a force to do work on a body?
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
An electron emitter must have _____________ work function and ___________ melting point.
The S.I. unit of work is
State the S.I. unit of work and define it.
Is work a scalar or a vector quantity?
What are the units of (a) work, and (b) energy?
Its moment of a force scalar or a vector quantity?
Why does a spanner have a long handle?
What is the work done against gravity when a body is moved horizontally along a frictionless surface?
On what factors does the work done by a force depend?
Name the physical quantity whose MKS units are kgm2s-3.
If an electric bulb of 100 watt is lighted for 2 hours, how much electric energy would be consumed?
Fill in the boxe to show the corresponding energy transformation.
Give an example
Chemical energy changes to heat energy.
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
