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PS Ch 11, 12, 13 Review

Across
The distance traveled divided by the time interval during which the motion occured
A quantity that measures the rate at which work is done or energy is transformed
A quantity defined as the product of the mass and velocity of an object
Friction between moving surfaces
The rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
The transfer of energy to an object by the application of a force that causes the object to move in the direction of the force
The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity
A force that opposes motion between two surfaces that are in contact
The amount of work an object can do because of the object's kinetic and potential energies
The energy of an object due to the object's motion
A type of machine that is made of more than one simple machines
A quantity, usually expressed as a percentage, that measures the ratio of useful work output to work input
One of Newton's Laws, action/reaction forces
Down
One of Newton's Laws, F=ma
The type of friction experienced by objects that are standing still
The curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
A measure of the gravitational force exerted on an object.
One of the six basic types of machines, which are the basis for all other forms of machines
The tendency of an object to resist a change in motion unless an outside force acts on the object
The motion of a body when only the force of gravity is acting on the body
A quantity that expresses how much a machine multiplies force or distance. This is an abbreviation. This number has no unit.
The change in position of an object. "As the crow flies." The straight shot from starting to ending point.
The capacity to do work
An action exerted on a body in order to change the body's state of rest or motion; force has magnitude and direction
Speed with direction
The energy that an object has because of its position, shape, or condition of the object
An object's change in position relative to a reference point
One of Newton's Laws, also known as the Law of Inertia