Newton's Laws and Friction Force quiz

If you calculate the magnitude of friction force on a car that is moving, which coefficient of friction would you use?

• coefficient of static friction

• coefficient of kinetic friction

What is the common name for gravitational force?

• normal force

• acceleration due to gravity

• weight

• mass

How many objects are involved in an action-reaction force pair?

• 1

• 2

• 3

• as many as possible

Determine the net force if mass is 4 kg, acceleration of +2.5 m/s/s, and applied force of 25 N.

• 4 N

• 10 N

• 15 N

• 25 N

Determine the magnitude of friction force if mass is 4 kg, acceleration of +2.5 m/s/s, and applied force of 25 N.

• 4 N

• 10 N

• 15 N

• 25 N

How much force will produce equilibrium on the system?

• 200 N

• 350 N

• 500 N

• 700 N

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Is this an example of a balanced or unbalanced force?

• balanced
• KITTIES!
• unbalanced
• pshhh

What is the standard unit force is measured in?

• N
• lbs
• g
• m/s

All of these affect inertia except 

• size
• mass
• shape
• color