1. Define
i) work and energy
ii) What is the relation b/w work done on an object and energy of the object
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Explanation:
(i)work is the energy transferred to or from an object via the application of force along a displacement. In its simplest form, it is often represented as the product of force and displacement. A force is said to do positive work if (when applied) it has a component in the direction of the displacement of the point of application. A force does negative work if it has a component opposite to the direction of the displacement at the point of application of the force.
Work
A baseball pitcher does positive work on the ball by applying a force to it over the distance it moves while in his grip.
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