Static Friction
Fluid Friction
Sliding Friction
Rolling Friction
1. you swim in the pool.
2. an object is at rest.
3. when you roller skate.
4. one object slides over another.
5. you push a book on the table.
6. a ball rolls over on the floor.
7. the boat sailing on the sea slows down.
8. an ice cart is pushed easily on the road.
9. you shuffle your feet on the floor at home.
10. you keep a skateboarder's foot on the skateboard.​