Analyze the following sentences. Write TRUE if the statement is
correct or FALSE if it is NOT.
1. Friction is the force that is present whenever two surfaces are in
contact.
2. The direction of the frictional force is opposite to the direction of the
movement.
3. Rubbing both hands together to create heat is an example of rolling
friction.
4. Friction keeps an object at rest from moving.
5. The rougher the surface, the faster an object will travel over the
surface.
6. The amount of friction depends on the weight of the objects pressing
together.
7. When most objects with smooth surfaces rub, there is less friction.
8. The frictional force acts in the direction of motion of the body.
9. The use of friction is always disadvantageous.
10. A wet oily road offers more friction than a dry rough road.​