Question

. Explain giving two examples each of :
(a) Contact forces, and (b) Non-contact forces.
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Answer 1

Explanation:

Contact force : are those forces which are in direct contact with muscles.example- a person pushing block of wood s etc

Non contact force: are those forces which are not in direct contact with muscles. example - iron separated by magnets.

Answer 2

$\huge\fcolorbox{black}{lime}{Answer}$

A ) Contact force - A contact force is any force that requires contact to occur.

Example -

• Reaction force. An object at rest on a surface experiences reaction force . ...
• Tension. An object that is being stretched experiences a tension force. ...
• Friction. Two objects sliding past each other experience friction forces. ...
• Air resistance.

B ) Non - Contact force - A non-contact force is a force which acts on an object .

Example -

• Best examples of non-contact force.
• Iron pins attracted in the presence of a magnet bar without any physical contact.
• Falling of raindrops on earth is also an example of non-contact force.