Newton’s First Law
Newton’s Second Law
Newton’s Third Law
Friction and Gravity
Momentum and Collisions
100

The tendency of an object to resist a change in motion.


What is inertia? (p. 42)


100

The formula that defines force, mass, and acceleration.


What is F = ma? (p. 45)


100

The law that states action and reaction forces are equal and opposite.


What is Newton’s Third Law? (p. 48)


100

The force that resists motion between two surfaces.


What is friction? (p. 50)


100

The formula used to calculate momentum.


What is p = mv? (p. 54)


200

Another name for Newton’s First Law.


What is the law of inertia? 


200

The quantity that F stands for in F = ma.


 What is force? (p. 45)


200

The force that occurs when you push on a wall.


What is the wall pushes back equally? (p. 48)


200

The type of friction between two sliding surfaces.


What is sliding friction? (p. 51)


200

The meaning of “p” in the momentum formula.


What is momentum? (p. 54)


300

This happens to an object at rest unless acted on by an unbalanced force.


What is it stays at rest? (p. 42)


300

The metric unit for measuring force.


What is a newton? (p. 46)


300

The reason action and reaction forces don’t cancel out.


What is they act on different objects? (p. 48)


300

The force that pulls objects toward Earth’s center.


What is gravity? (p. 52)


 

300

The unit used to measure momentum.


What is kg·m/s? (p. 54)


400

A type of force that causes motion to change.


What is an unbalanced force? (p. 43)


400

The effect on acceleration when mass increases but force stays the same 

 

What is acceleration decrease? (p.46)


400

The reason a rocket lifts off the ground.


What is gases push downward, rocket moves upward? (p. 49)


400

The law that explains how mass and distance affect gravitational force.


What is the Law of Universal Gravitation? (p. 52)


400

The principle that states total momentum stays the same unless acted on.


What is the Law of Conservation of Momentum? (p. 55)


500

What a ball in space would keep doing without friction or gravity.


What is move at a constant speed in a straight line? (p. 44)


500

The net force acting on a 10 kg object accelerating at 3 m/s².


What is 30 N? (p. 47)


500

The reaction force when you push backward on the ground while walking.


What is the ground pushes you forward? (p. 49)


500

The condition astronauts experience in orbit.


What is free fall? (p. 53)


500

The result when two objects stick together after colliding.


What is a perfectly inelastic collision? (p. 56)