1.
a change in the position of an object over time relative to a frame of reference
2.
a disturbance or oscillation that transfers energy through space or a medium without transferring matter
3.
an extremely small, negatively charged subatomic particle that orbits the nucleus (center) of an atom
4.
The resistance force between two surfaces in contact
5.
The tendency of an object to remain at rest or in motion
6.
The rate of change of velocity
7.
A push or pull acting upon an object
8.
The maximum displacement or height of a wave
9.
The number of waves passing a point per second
10.
The speed of an object in a specific direction
11.
Energy stored in an object due to its position
12.
A measure of the amount of matter in an object, typically measured in kilograms
13.
A vector quantity representing the straight-line distance and direction from an object's initial position to its final position
14.
An interaction between two or more bodies that come in direct contact, exchanging momentum and energy
15.
A force that acts on a body moving in a circular path, directed toward the center around which the body is moving
16.
The study of electric and magnetic phenomena and the interactions between electric charges and magnetic fields
17.
The product of an object's mass and its velocity representing "mass in motion"
18.
Mass per unit volume of a substance
19.
A quantity having both magnitude and direction
20.
there is an equal and opposite reaction
