Forces

Science

Forces Chapter Video

Forces Chapter Video

air resistance

the force that opposes objects moving through the air

air resistance Simple Definition

balanced force

forces that are equal but in opposite directions

balanced force Simple Definition

centripetal force

the force that causes an object to move in a circle

centripetal force Simple Definition

compression

part of a wave where particles are pushed together

compression Simple Definition

force

the push or pull exerted on an object

force Simple Definition

free fall

the motion of a falling object when the only force acting on it is gravity

free fall Simple Definition

friction

the force that opposes motion between two surfaces that are touching

friction Simple Definition

gravity

the attractive force between all objects that have mass

gravity Simple Definition

inertia

the tendency of objects to resist any change in motion

inertia Simple Definition

mass

the amount of matter in an object

mass Simple Definition

momentum

the product of an object's mass and velocity

momentum Simple Definition

net force

the sum of all forces acting on an object

net force Simple Definition

sliding friction

the friction that occurs when one solid surface slides over another

sliding friction Simple Definition

static friction

friction that acts on objects that are not moving

static friction Simple Definition

unbalanced force

forces acting on an object to cause a change in motion

unbalanced force Simple Definition

weight

measure of the force of gravity on an object

weight Simple Definition

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