Work is a measure of energy transfer that occurs when an object is moved over a distance by an external force, at least partially in the direction of displacement.
Work can be calculated if the applied force is constant by multiplying the length of the path by the component of force acting along the path.
To express the work formula mathematically, work equals force times distance .
If the force is been exerted at an angle to the displacement, then the work done will be calculated as:
The amount of energy transferred is defined as work done. In other words, when a force is applied which causes non-zero displacement, then the work is said to be done by the same force.