Friction — Set 2

What is the maximum value of static friction called?

Friction can be increased by which of the following methods?

Which of these statements about friction is true?

The coefficient of friction is a ratio of frictional force to which other force?

What is the primary reason why tires have treads?

Which of the following factors does NOT affect the magnitude of friction?

Fluid friction depends on which of the following factors?

Which of the following is an example of friction being useful?

Polishing a surface too much can sometimes increase friction due to which phenomenon?

How does the weight of an object affect the friction acting on it?