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Motion and Forces
Motions and Forces
Term | Definition |
---|---|
Position | The location of an object. |
Speed | The distance traveled divided by the time interval during which the motion occurred. |
Reference Point | A location to which another location is compared. |
Motion | An objects change in position relative to a reference point. |
Vector | A quantity that has both size and direction. |
Velocity | The speed of an object in a particular direction. |
Acceleration | The rate at which velocity changes over time. |
Centripetal Acceleration | The acceleration directed toward the center of a circular path |
Force | A push or pull exerted on an object in order to change the motion of an object. |
Net Force | The combination of all the forces acting on an object. |
Inertia | The tendency of an object to resist a change in motion unless an outside force acts on the object. |
Gravity | A force of attraction between two objects due to their mass. |
Free Fall | The motion of a body when only the force of gravity is acting on the body. |
Orbit | The path that a body follows as it travels around another body in space. |