Q.2. Write reasons for the following: …

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Q.2. Write reasons for the following: (3) 1. Sliding friction is less than static friction. 2. Brake pads are used in bicycles and auto mobiles.

Posted by Rishika Agarwal 5 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 5 years, 6 months ago

1) Friction comes into play when irregularities present in the surfaces of two objects in contact get interlocked with each other. In sliding, the time given for interlocking is very small. Hence, interlocking is not strong. Therefore, less force is required to overcome this interlocking. Because f this reason, sliding friction is less than static friction.

2) Along with several other brake system components, the brake pads are responsible for stopping a vehicle. They are made with special materials that maximize friction. When the brakes are applied, the brake pads grip the sides of the wheel that creates friction that slows and stops the bike.

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