A push or pull exerted by one object on another, causing a change in motion
What is Force?
100
A simple machine made of a rigid bar and a fixed pivot point, called the fulcrum
What is a Lever?
100
How fast an object's position changes with time at any given moment
What is Speed?
100
Any object that is not moving and can be used to describe the position of another object
What is Reference Point?
100
A push or pull on an object
What is Force?
200
The part of a lever that applies force to the resistance arm.
What is Effort Arm?
200
The tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion.
What is Inertia?
200
A machine with few moving parts, making it easier to do work
What is a Simple Machine?
200
The location of an object
What is Position
200
A measure of how far an object moves in a certain amount of time; Distance and Time
What is Speed?
300
When two forces cancel each other out
What is Balanced forces?
300
A slanted surface used to move objects higher or lower.
What is Inclined plane?
300
The force with which an object responds to an action, as in Newton's third law of motion
What is Reaction?
300
A wheel with a rod through the middle
What is Wheel and Axle?
300
The path that a moving object follows
What is Direction?
400
The force one object applies to a second, as in Newton's third law of motion, which states, "For every action, there is an equal but opposite reaction."
What is Action?
400
The force of attraction between any two objects due to their mass
What is Gravity?
400
A wheel and rope that changes the direction of force
What is a Pulley?
400
The force of gravity between Earth and an object
What is Weight?
400
A change in an object's position
What is Motion?
500
Change in velocity with respect to time
What is Acceleration?
500
A force that opposes the motion of one object moving past another
What is Friction?
500
A measure of the amount of matter in an object
What is Mass?
500
Forces that do not cancel each other out when acting together on a single object.