Chapter 1 Flashcards
Motion
An objects change in position relative point
Speed
Distance traveled by the time interval during which motion occured
Velocity
The speed on an object in a particular direction
Acceleration
Velocitys change over time; speed, direction, or both
Force
A push or pull exerted on an object in order to change the motion of the object
Newton
The SI unit of force
Net Force
The combination of all of the forces acting on an object.
Friction
A force that opposes motion between two surfaces that are in contact
Gravity
A force of attraction between objects that is due to their masses.
Weight
A measure of gravitational force exerted on an object; the value can change depending on the planet
Mass
A measure of the amount of matter on an object