1. When you kick a ball, does it move
forever or it slows down and stops?
2. Why does it slow down and
stops?
When two surfaces touch each other or rub
each other, like the ball and the ground. It
produces a force called friction
The friction causes the object to slow
down.
3. What kind of force is formed between the
shoes and the floor when you are walking?
Friction force
4. What kind of force is formed between the
kids and the slide ?
Friction force
5. What kind of force is formed when you rub
your hands?
Friction force
6. What kind of force is formed when you try
to push any heavy object on the floor?
Friction force
7. Can you tell me where is the
friction formed in the following
pictures :
8.
9. What happens when there is water on
the ground? Why?
Water reduces friction