Friction is a force that opposes the motion between two surfaces in contact with each other.
There are three types of friction: static friction, kinetic friction, and rolling friction.
1. Static friction:
This type of friction occurs when two surfaces are not moving relative to each other.
For example, when you try to push a heavy box and it doesn't initially move, static friction is at play. Once you apply enough force to overcome static friction, the box starts moving.
2. Kinetic friction:
This type of friction occurs when two surfaces are sliding past each other.
For example, when you slide a book on a table, kinetic friction acts to slow down the book's motion. It's easier to keep an object in motion than to start it moving due to kinetic friction.
3. Rolling friction:
This type of friction occurs when an object rolls over a surface.
For example, when a car's tires roll on the road, rolling friction provides the necessary grip for the car to move forward. Rolling friction is typically lower than kinetic friction.
These types of friction play important roles in our everyday lives and affect how objects move and interact with each other.
Answers & Comments
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Define friction :
There are three types of friction: static friction, kinetic friction, and rolling friction.
1. Static friction:
2. Kinetic friction:
3. Rolling friction:
These types of friction play important roles in our everyday lives and affect how objects move and interact with each other.
☆ Hope it's helpful ☆