Science Force and Motion
A push or pull; measuring in Newtons using a spring scale.
Forces are equal but in opposite directions.
Forces are unequal and cause an object to accelerate.
The tendency of an object to resist motion.
A force that opposes motion between two objects that are touching and causes an object to slow down or come to a stop.
Determined by dividing the total distance by the total time it took to cover that distance.
Speed in a certain direction such as 70 mph east.
The rate of change in velocity; can mean speeding up, slowing down or changing direction.
An attractive force that exists between all objects that have mass; the greater the mass, the greater the gravity between the objects.
The frictional force between air and objects moving through it.