Physics Chpt 4 Review

"For every action, there is an equal and opposite reaction."

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

The tendency of an object to resist changes in its motion is...

• inertia
• force
• acceleration
• velocity

Any push or pull on an object.

• force
• velocity 
• inertia
• momentum

The force that opposes motion between two surfaces in contact with each other.

• inertia
• friction
• momentum
• gravity

The combination of all the forces acting on an object is the...

• net force
• action force
• reaction force
• balance force

When an unbalanced force acts on an object, the force ______________________.

• changes the motion of the object

• is cancelled by another force

• does not change the motion of an object

• is equal to the weight of the object

An automobile you are riding in suddenly stops, but you continue to go forward.

• Newton's
  1st
  Law of Motion
• Newton's
  2nd
  Law of Motion
• Newton's
  3rd
  Law of Motion

 The relationship between an object's mass (m), its acceleration (a), and the applied force F is F=ma. 

• First Law
• Second Law
• Third Law
• Inertia

Which law explains why you need to wear a seat belt? 

• First 
• Second
• Third
• Gravity

Newtons First Law is also known as the law of

• Balanced Forces
• Gravity
• Inertia
• Reactions