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FRICTION: BALANCED AND UNBALANCED FORCES

CONTENT

Meaning of Friction
Uses and Advantages of Friction
Disadvantages of Friction
How to Reduce Friction
How to Reduce Friction
Balanced and Unbalanced Forces

Meaning of Friction

The force that tries to stop a body from moving is called friction. Friction also means force that opposes motion. Friction can be reduced by lubrication i.e. adding oil and grease placed between the two surfaces in contact. The oil and grease are called lubricants.

Protection from Friction

Friction is a force that occurs when one object moves against another. The ceramic tiles on the outside of the space shuttle protect it from the great friction caused when the shuttle re-enters Earth’s atmosphere.

Uses and Advantages of Friction

The following are the uses and advantages of friction:

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