Friction and Forces on Inclines

What is the resistive force that slows down an object as it slides?

• Friction

• Tension

• Normal force

• Weight

Which type of friction often generates heat or sound?

• Kinetic friction

• Static friction

• Normal force

• Gravity

What affects the strength of kinetic friction?

• Coefficient of kinetic friction

• Normal force

• Both A and B

• None of the above

What is the force that resists the motion of an object at rest?

• Kinetic friction

• Static friction

• Normal force

• Gravity

What is the relationship between the maximum static friction and the normal force?

• Directly proportional

• Inversely proportional

• No relationship

• Depends on the coefficient of static friction

What is the coefficient of static friction?

• A measure of roughness between two objects

• A measure of smoothness between two objects

• A measure of intermolecular bonds

• A measure of kinetic friction

What is the maximum static friction between two objects determined by?

• Coefficient of static friction

• Normal force

• Both A and B

• None of the above

Which of the following is not a vector?

• force

• weight

• friction

• mass

A hockey puck weighing 35 N slides across a leveled ice surface, slowing down at the rate of 5.3 m/s². The coefficient of the friction between the puck and ice is:

• 3.6

• 19

• 0.35

• 0.54