Question

differentiate between a contact force and a force at distance ?

Answer 1

Contact force:

• Contact force is a type of force acting on bodies when they are in physical contact with one another.

• Contact forces are mainly facilitated by electromagnetic interaction between particles of the bodies.

• Examples: Friction force, Reaction force, etc.

Non-Contact force:

• Non-Contact force is a type of force acting on bodies even when the bodies are not in physical touch or contact with one another.

• It is mainly facilitated by presence of special particles in the field like gravitons, etc.

• Examples: Gravitational force, nuclear force, Electrostatic Force,etc.

Answer 2

The differences between a Contact force and a Force at a Distance are as follows:

Contact Force

• When two things are in touch with one another, at that time a force will be created,it is called as a contact force.

• This force directly exert a force on things to move away and come towards each other.

• Examples of contact forces are throwing a short put ball, writing with a pencil in a paper

Force at a Distance

• When two things are not in touch with one another, even though a force will be created due to its gravity and magnetic effects produced. It is called as a force at a distance.

• This force  they attracts and repels the things due to the gravitational and magnetic effects produced by the two things which are not in touch with one another.

• Examples are sun and moon.