Question

21. Write an example of a
contact forces​

Answer 1

Answer:

A contact force is any force that requires contact to occur. Contact forces are ubiquitous and are responsible for most visible interactions between macroscopic collections of matter. 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.

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Answer 2

Answer:

Example of contact force:- Muscular Force, frictional force, spring force, Normal Force are few examples.