what do you mean by work explain in brief.
Answers
In physics, work is defined as a force causing the movement—or displacement—of an object. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force. Though both force and displacement are vector quantities, work has no direction due to the nature of a scalar product (or dot product) in vector mathematics. This definition is consistent with the proper definition because a constant force integrates to merely the product of the force and distance.
Read on to learn some real-life examples of work as well as how to calculate the amount of work being performed.
Examples of Work
There are many examples of work in everyday life:
The Physics Classroom notes a few: a horse pulling a plow through the field; a father pushing a grocery cart down the aisle of a grocery store
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It is the product of force applied on an object and displacement covered by it.
Work = f.x
where, w is work
f is force applied
x is displacement
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Types :
- positive work
- negative work
- zero work
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We measure it in joules.