Category 1
Who discovered gravity?
Keeps you from floating away
Gravity
States that an object in motion will stay in motion unless acted on by an outside force
Newton's First Law
The amount of matter in an object.
Mass
Forces acting on an object that combine and form a net force that is not zero.
Unbalanced Force
A push or pull on an object
Force
Resists the motion of two objects that are touching
Friction
Which law goes with the formula: F=ma?
Newton's Second Law
A push or pull on another object that is touching it
Contact force
The combination of all forces acting on an object.
Net Force
Force applied without touching
Noncontact force
States that for every action there is an equal and opposite reaction.
Gravity is a _____.
Force
Forces acting on an object that combine and form a net force of zero.
Balanced Force
The tendency of an object to resist a change in its motion.
Inertia