Laws of Motion Review

What does non-contact force include?

• Friction

• Gravity

• Pushing

• Pulling

What is the unit of force?

• Meter

• Newton

• Second

• Kilogram

What happens when net forces acting on an object are unbalanced?

• The object gains velocity without force

• The object changes its motion

• The object remains motionless

• The object loses mass

What is the force on an object with a mass of 10 kg and an acceleration of 3 m/s^2?

• 13 N

• 300 N

• 7 N

• 30 N

According to Newton's 2nd Law, what determines the acceleration of an object?

• Its position

• Its color

• Its shape

• The net force acting on it divided by its mass

What does Newton's 3rd Law state?

• For every action, there is an equal but opposite reaction

• Force equals mass times acceleration

• Objects in motion stay in motion

• Velocity is constant without outside forces

What is momentum a measure of?

• The mass of an object

• The color of an object

• The speed of an object

• How hard it is to stop a moving object

What type of collision involves objects sticking together?

• Inelastic collision

• Imperfect collision

• Elastic collision

• Perfect collision

What force opposes all motion? (Slows everything down)

• Gravity

• Inertia

• Friction

• Momentum

What would be the motion of the object in the picture?

• Going up

• Moving to the right

• Moving to the left

• Going down