Question

Define work done(according to physics)

Answer 1

When we apply some force on a body(push or pull) and that body moves through a certain distance(displacement) in the direction of applied force work is said to be done.

$f = ma$

and.

$w = f.s$

where s is displacement

Answer 2

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Work is the measure of energy transfer when a force (F) moves an object through a distance (d). So when work is done, energy has been transferred from one energy store to another, and so: energy transferred = work done. Energy transferred and work done are both measured in joules (J).

Work is done when a force acts upon an object to cause a displacement. Three quantities must be known in order to calculate the amount of work. Those three quantities are force, displacement and the angle between the force and the displacement.