Advertisements
Advertisements
Question
Work done by this force at any instant is ______.
Advertisements
Solution
Work done by this force at any instant is zero.
RELATED QUESTIONS
Work done = Force × ........................................
State the S.I. unit of energy.
A car is running at a speed of 15 km h-1 while another similar car is moving at a speed of 45 km h-1. Find the ratio of their kinetic energies.
Name five appliances or machines which use an electric motor.
Write an expression for the work done against gravity.
State the energy changes which take place when A toy car with a wound spring moves on ground.
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
Who is the odd one out?
Force acting on a particle moving in a straight line varies with the velocity of the particle v as F = `K/v`, where K is a constant. The work done by this force in time t is
