Term
|
Definition
|
|
Term
|
Definition
| a force that is exerted only when two objects are touching |
|
|
Term
|
Definition
| a force that one object exerts on another when they are not touching |
|
|
Term
|
Definition
| the combination of all the forces acting on an object |
|
|
Term
|
Definition
| when the net force on an object is NOT zero |
|
|
Term
|
Definition
| when the net force on an object IS zero |
|
|
Term
Newton's 1st Law of Motion
(2-1) |
|
Definition
| if the net force on an object is zero, an object at rest remains at rest, or, if the object is moving, it continues to move in a straight line with constant speed |
|
|
Term
|
Definition
| the tendency of an object to resist a change in its motion |
|
|
Term
|
Definition
| a quantity with both size and direction |
|
|
Term
|
Definition
| the amount of matter in an object |
|
|
Term
|
Definition
|
|
Term
|
Definition
| an attractive force that exists between all objects that have mass |
|
|
Term
Law of Universal Gravitation
(2-2) |
|
Definition
| all objects are attracted to each other with a force that depends on the masses of the objects and the distance between them |
|
|
Term
|
Definition
| the gravitational force exerted on an object |
|
|
Term
|
Definition
| a force that opposes the movement between two surfaces in contact |
|
|
Term
|
Definition
| the force between two surfaces in contact that keeps them from sliding when a force is applied |
|
|
Term
|
Definition
| the force exerted by a material when it is stretched OR compressed |
|
|
Term
|
Definition
| a pulling force exerted by a material when it is STRETCHED |
|
|
Term
|
Definition
| a pushing force exerted by a material when it is COMPRESSED |
|
|
Term
|
Definition
| a force exerted by an object that is perpendicular to the surface of the object |
|
|
Term
|
Definition
| the friction that occurs when solid surfaces SLIDE over each other |
|
|
Term
|
Definition
| the friction that occurs when one object ROLLS over another |
|
|
Term
|
Definition
| the friction that occurs when an object moves through a FLUID (liquid or gas) |
|
|
Term
|
Definition
| the force that is perpendicular to the velocity and toward the center of a circle |
|
|
Term
Newton's 2nd Law of Motion
(2-3) |
|
Definition
| the acceleration of an object equals the net force divided by the object's mass |
|
|
Term
Newton's 3rd Law of Motion
(2-3) |
|
Definition
| when one object exerts a force on a second object, the second object exerts an equal force in the opposite direction on the first object |
|
|
Term
|
Definition
| the rate of change of velocity |
|
|
Term
|
Definition
| the forces two objects exert on each other |
|
|
Term
|
Definition
| a vector that represents an object's speed and direction |
|
|
Term
|
Definition
| the state an object reaches when the force of fluid friction acting on it is equal to the force of gravity acting on it |
|
|
Term
|
Definition
|
|
