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Motion and Forces

Some have more than one word for the answer. There are no spaces.
Across
The tendency of an object to stay at rest or keep moving in a straight line.
The transfer of energy by a force that moves an object
A pulley in which at least one wheel is attached to the object to be moved.
A class of lever in which the resistance force is between the effort force and the fulcrum
A change in the speed of an object.
A simple machine made of a sloped surface used to raise an object
The ratio of resistance force to effort force
Metric unit of force
The point at which a lever pivots
Lever in which the fulcrum is between the effort force and resistance force
Class of lever in which the effort force is between the resistance force and the fulcrum
A push or pull
Amount of force applied to a machine
A simple machine that consists of at least one slanted surface that is used to push objects apart
A simple machine made of a bar that pivots around a support
Down
A simple machine made of a rope wrapped around a wheel.
Metric unit of mass
A simple machine made of a wheel with a rod called an axle through its center
The force applied by a machine
Force of gravity on an object.
The speed of an object at a given moment.
Machine made of more than one pulley
A pulley in which the wheel is attached to an object that doesn't move
Machine that does work with one motion
A measurement of the amount of matter in an object.
The total distance by an object divided by the total time that it traveled.
A force that opposes motion when who surfaces rub together
The act of changing position from one place to another.
A force of attraction between two objects.
Device that makes work easier by changing the size or direction of a force.
A simple machine made of an inclined plane wrapped around a central post
The measure of the distance that an object moves in a given amount of time.