What is work and its types?
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Work, in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement. ... No work is done in either case.
types of work
Positive Work done: Work is said to be positive when the force applied on the object is in the direction of motion of the object .
Negative Work done:work is said to be negative when the force applied on the object is opposite to the direction of motion .
Zero Work done: Work is said to be zero when there is no displacement in the object.
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