Question

Q1. Define work done by a force with two examples.
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Answer 1

Answer:

if a force is applied to an object and as result it has a displacement, this is considered to be force.

eg. when you move a trolley

or when u move any object by applying force

Answer 2

Answer in short:

When a force causes a body to move, work is being done on the object by the force.

Answer in long:

When a force causes a body to move, work is being done on the object by the force. 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.

Answer with example:

This means that zero work is being done as the force and distance are not applied in the same direction. Richard G. Examples: Pushing a car horizontally from rest; shooting a bullet (the powder does the work); walking up stairs; sawing a log.

Hope it will help u