Question

13. When there is an interaction between different bodies, forces come into plays which are
classified as contact and non-contact force. These forces include muscular force,
gravitational force, frictional force etc. The force of friction is always directed along the
surface in contact i.e. it acts along the tangential direction .Friction is considered as a
*Necessary Evil' and depends upon the nature of two surfaces in contact.
.
b. Name the type of non-contact force that is responsible for attraction and repulsion bets
the charges.

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Answer 1

Answer:

explore forces which act on bodies when they are in physical contact. are called contact forces. For e.g. frictional force and force exerted on two bodies during a collision.

The forces experienced by bodies even without being physically touched are called the non-contact forces. For e.g. Gravitational force and Electrostatic force.

Contact force: (a) frictional force (b) normal reaction force (c) force of tension in a string

Non-contact force: (d) gravitational force (e) electric force (f) magnetic forcenation:

Answer 2

Answer:

haa bolo kya hua

Explanation:

what happened