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1. What is a force? What changes can be produced by a Force? (AS)
2. Give two examples each for a contact force and a force at a distance. (AS)
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Explanation:
1.Ans Force is a push or a pull acting on an object which changes or tends to change state of rest or motion of an object. ... Force can change the state of rest or motion of an object. 2. Force can change the shape of an object.
2.Ans Pushing a car up a hill or kicking a ball across a room are some of the everyday examples where contact forces are at work.
Magnetism, and electrical charge, and gravitation are examples of forces that act at a distance.
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