Question

2. Write a short note on
a.Frictional force b.Gravitational force​

Answer 1

Answer:

Frictional force: The frictional force is a force exerted by a surface as an object moves across it or makes an effort to move across it. The friction force often opposes the motion of an object. Frictional force is a contact force while gravitational force is a non-contact force.

Explanation:

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Answer 2

Answer

frictional forse is the force exerted fue to irregularities between surface and object

gravitational force is non contact force apllied by every mass in the universe on the other

Explanation: