Question

What is a contact forces and forces at a distance (field forces)

Answer 1

Answer:

contact force

contact force is one where the force is only felt when two objects are in contact with each other ,such as friction .

force at a distance

this are also called fundamental forces .they are acting even if there is not contact between bodies and even if bodies are in vacuum

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Answer 2

Explanation:

Force : A force is a push or pull exerted

by one body over another body. It acts in a particular direction.

A force can :

1) Change the shape and size of any object.

2) Can change the direction of any object.

3) Can change the motion of an object.

4) Can make an object move.

5) Can change the speed of any object.

SI unit of force :

Force is measured in Newtons i. e. the SI unit of force is newton.

1 N = ( 1 kg × 1 m) / 1s²

Newton is denoted by 'N'.