Question

what is contact force?​

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.

Answer 2

Answer:

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→ The force that can be applied only if it is in contact with an object,is called a contact force,e.g., muscular force, friction,etc.