1.
speeds up, slows down or changes direction
2.
velocity speed needed at the top of a loop
4.
A force caused by a rubbing motion between two objects.
5.
Short for gravitational force. The force exerted on an object by the Earth's gravity at sea level.
6.
A force that draws any two objects toward one another
7.
energy The energy of an object in motion, which is directly related to its velocity and its mass.
8.
energy The energy stored by an object ready to be used.
9.
How fast an object moves.
10.
A combination of speed and the direction in which an object travels.
