what is contact force?give two examples of contact force.
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A contact force is any force that requires contact to occur. contact force are ubiquitous and are responsible for most visible interaction between macroscopic collections of matter. pushing a car up a hill or kicking a ball across a room are some of every day examples of contact force are at work.
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Explanation:
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. In the first case the force is continuously applied by the person on the car, while in the second case the force is delivered in a short impulse.
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