Question

give two examples of muscular force frictional force (2marks)​

Answer 1

Answer:

The force exerted by the muscles of the body is called muscular force . The human beings exert muscular force for performing the various activities like walking, jumping, running, climbing, lifting pushing, pulling ,stretching, squeezing, twisting and pressing the objects.

Explanation:

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Answer 2

Answer:

1. Muscular force

• Muscular force is a type of force which acts after contact.
• When force is applied on the body using help of muscles like arms or legs is known as muscular force.
• For example : Walking, running, weightlifting, kicking a ball etc.

2. Frictional force

• Writing – A frictional force is created when the tip of the pen comes in contact with the surface of the paper. Rolling friction is what comes into play while writing with a ballpoint pen while sliding friction arises when one writes with a pencil.