What is a force caused by two objects rubbing together?
100
Force
What is a push or a pull
100
Gravity
What is a force that pulls objects toward each other?
100
Newton's 1st Law of Motion
Which law of motion states that an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by a unbalanced force?
100
Newton's 3rd Law of Motion
What law states that forces come in pairs?
200
Static Friction
What is a friction between two things that are not moving?
200
Newton
What is the SI unit for the strength of force?
200
Mass
What is the amount of matter in an object?
200
inertia
What is it called when an object resists a change in motion?
200
Action Force
What is type of force is your legs pushing down on the ground?
300
Sliding Friction
What is a friction that happens when two objects slide past each other?
300
Balanced Force
What is a net force of 0?
300
Weight
What is the measures the force of gravity on an object?
300
Velocity
What is the speed and direction in which an object moves called?
300
Reaction Force
What is the force of the ground pushing back on your legs?
400
Rolling Friction
What is a friction that occurs when one object rolls over another?
400
Unbalanced
What is a force that causes an object's motion to change?
400
Mass and Distance
What are two forces that affect gravity?
400
Acceleration
What is an unbalanced force change in an object's motion?
400
Momentum
What is a moving object's mass times its velocity?
500
Fluid Friction
What is a friction that happens when a solid moves through a fluid, like water or air?
500
Net Force
What is the total of the forces acting on an object?
500
Terminal Velocity
What is the greatest velocity an object can reach at one point in time?
500
Net Force and Mass
What does an object's acceleration depend on?
500
Law of conservation of momentum
What happens when one moving object bumps into another moving the momentum from one object to another allowing the total momentum to stay the same?