When a force F acts on an object to displace it through a distance S...
Work and energy
Question Category: Work and energy
When do we say that work is done?
We say that work is done when two conditions are met: A force is applied...
Write an expression for the work done when a force
When a force F displaces a body through a distance S in the direction of...
A pair of bullocks exerts a force of 140 N
Work done by the bullocks is given by the expression: Work done = Force ×...
What is the kinetic energy of an object?
Kinetic energy is the energy possessed by an object due to its motion. It depends...
Write an expression for the kinetic energy of an object.
If a body mass m is moving with a velocity v, then its kinetic energy...
The kinetic energy of an object of mass, m moving
Expression for kinetic energy Ek= ½ mv2 m = Mass of object v = Velocity...