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Chapter 3 terms
Motion
14
Science
9th Grade
05/12/2025

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Term
terminal velocity
Definition
the largest velocity reached by a falling object
Term
air resistance
Definition
the force exerted by air on a moving object
Term
gravity
Definition
force that every object in the universe exerts on every other object
Term
momentum
Definition
property of a moving object resulting from its mass and velocity
Term
centripetal force
Definition
when a car travels around a curve in the road, __ helps to keep the car traveling in a circular path
Term
distance
Definition
the amount of gravitational force between 2 objects depends on their masses and ___ between them
Term
Newtons
Definition
Weight is measured in units called __
Term
static friction
Definition
two surfaces that are not moving past each other have __
Term
sliding friction
Definition
__ causes a box you are pushing across the floor to stop when you stop pushing
Term
net force
Definition
an object at rest on the surface of the Earth is experiencing zero __
Term
Weight
Definition
an object's __ is a measure of the force of gravity on that object
Term
Newton's 3rd law
Definition
to every action there is an equal and opposite reaction
Term
Conservation of Momentum
Definition
when a bowling ball strikes the pins, the momentum lost by the bowling ball is equal to the momentum gained by the pins
Term
Newton's 2nd law
Definition
a net force acting on an object causes the object to accelerate in the direction of the force
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