Term
|
Definition
a quantity without direction
Example: Speed |
|
|
Term
|
Definition
a quantity with magnitude and direction
Example: Velocity |
|
|
Term
|
Definition
| the vector quantity whose magnitude represents the shortest distance between the initial and final points, and whose direction points from the initial point to the final point |
|
|
Term
|
Definition
| Total distance traveled divided by the change in time. |
|
|
Term
|
Definition
| displacement divided by the change in time |
|
|
Term
|
Definition
| The change in velocity divided by the change in time |
|
|
Term
|
Definition
| the rate of change of displacement |
|
|
Term
| Instantaneous Acceleration |
|
Definition
| the rate of change of velocity |
|
|
Term
|
Definition
| An idealized motion in which air resistance is neglected and acceleration is nearly constant. This acceleration is due to gravity and taken to be 9.80 m/s2 at the earth's surface |
|
|
Term
|
Definition
| The push or pull required to change the state of motion of an object as defined by Newton's second law |
|
|
Term
|
Definition
| A quantitative measure of inertia |
|
|
Term
|
Definition
| a vector diagram that represents all of the forces acting on an object |
|
|
Term
|
Definition
| the natural tendency of an object to remain at rest or in uniform motion at constant speed in a straight line |
|
|
Term
|
Definition
| the force of attraction that every particle of mass in the universe exerts on every other particle |
|
|
Term
|
Definition
| the gravitational force exerted by the earth on an object |
|
|
Term
|
Definition
| one component of the force that a surface exerts on an object with which it is in contact |
|
|
Term
|
Definition
| the force that an object encounters when it moves or attempts to move along a surface |
|
|
Term
|
Definition
| the tendency of a rope (or similar object) to be pulled apart due to the forces that are applied at either end |
|
|
Term
|
Definition
| the state an object is in if it has zero acceleration. |
|
|
Term
|
Definition
| The force that an object exerts on the platform of a scale. |
|
|
Term
| Newton's First Law of Forces |
|
Definition
An object at rest or in a state of motion at a constant speed along a straight line tends to stay at rest.
The sum of the forces equals 0 |
|
|
Term
| Newton's Second Law of Forces |
|
Definition
| Force equals mass times acceleration |
|
|
Term
| Newton's Third Law of Forces |
|
Definition
| For every force, there exists an equal and opposite force |
|
|
