Forces and Motion/Quarter 1 Material for Quiz and Final

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a force that opposes motion

Centripetal force

force that pushes an object into a circular path


Mass x Acceleration a push or pull


the tendency of a moving object to keep moving and the tendency of an object at rest to stay at rest


amount of matter in an object
measured with balance, gram


Gravitational pull on an object
mass x 9.8, Newtons


the force supplied by Earth's gravity

Centrifugal force

an apparent force that pushes away from the center


(physics) the force of attraction between all masses in the universe


a measure of how fast an object moves


a measure of seed and direction
=d/t plus direction


the rate at which velocity changes
=Final velocity-initial velocity/t


the force or speed with which something moves
Mass x velocity

Average Speed

a rate of motion determined by dividing the total distance traveled by the total travel time


the ability to do work

Elastic Potential Energy

energy from an object that is stretched or compressed to increase/decrease the distance of its parts

Gravitational Potential Energy

object's stored energy due to its position

Kinetic Energy

the energy an object has due to its motion
=1/2mv squared

Conservation of Energy

energy can't be created or destroyed

Newton's 1st Law

an object at rest or in motion will stay at rest or in motion unless acted on by an outside force

Newton's 2nd Law

Acceleration of an object increases as the amount of force increases

Newton's 3rd Law

Every action has an equal and opposite reaction force


unit of force


unit of energy

Acceleration due to gravity

9.8m/s squared


work input to work output


negatively charged subatomic particle located outside the nucleus


positively charged subatomic particle found in the nucleus


no charge, found in the nucleus


straight line distance between 2 points


space an object takes up


the center of an atom. Always has a positive charge.

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