Force

the pulling or pushing effect that something has on something else

• force

• friction

the force that makes it difficult for things to move freely when they touch each other

• force

• friction

a balance between several different influences or aspects of a situation

• equilibrium

• force

the speed at which something moves in a particular direction

• velocity

• acceleration

• speed

the rate at which something moves

• velocity

• speed

• acceleration

a change in the speed or direction of an object; the rate at which the speed of an object increases

• velocity

• speed

• acceleration

in physics, for every action force there is an equal in size and opposite in direction reaction force

• action force

• reaction force

• friction

• equilibrium