Question

what is muscular force? why it is called a contact force?

Answer 1

A muscular force is a force applied using parts of body like the arms and legs . It happend due to the muscles. Its is called a contact force because it happens only when there is a contact between our body and an object.
eg: Lifting a heavy bag.

Answer 2

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• Force which is exerted by muscles of the body is called Muscular force.
• All our body activities like lifting, walking, running, bending is because of muscular force.
• It is a contact force because muscular force can only be exerted on physical contact.