Question

how frictionnis useful for us?​

Answer 1

Answer:

Friction:

A force that opposes relative motion between two bodies in contact with each other is called as friction.

Friction is useful for:

• It helps in walking on the road or some where
• It helps to hold the objects
• Vehicles will move on road with friction
• Friction useful for keeping grip

Types of friction:

• Static friction
• rolling friction
• sliding friction
• Fluid friction