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What is 1 + 3?
Chapter 8, Lesson 1 and 2
push or pull
caused by a force
applying a force to move an object through a distance
the force that does work
the force that pulls all things toward the center of the earth
a force that resists motion between two things that rub against each other, makes objects stop
causes all matter that is moving to stay in motion, causes all matter that is not moving to say at rest unless a force acts on it
object moved by the effort
used to make work easier, reduces the amount of effort needed
amount of work
depends on the amount of force and the distance moved