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1. Define work and give its formula. Give some examples of situations where work is said to be done.
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Work is done when a force that is applied to an object moves that object. The work is calculated by multiplying the force by the amount of movement of an object (W = F * d). A force of 10 newtons, that moves an object 3 meters, does 30 n-m of work.
Explanation:
Work is done whenever a force moves something. Everyday examples of work include walking up stairs, lifting heavy objects, pulling a sledge and pushing a shopping trolley. Whenever work is done, energy is transferred from one place to another.
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work is said to be done by a force when it displaces a body ( on which it acts) in its own direction. The formula for work is W = F × s. Consider the following examples are:-
- A lady is sitting and reading a newspaper
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