Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
Motion
|
An objects change in position relative to a reference point
|
|
|
Speed
|
The distance traveled divided by the time interval during which the motion occurred
|
|
|
Velocity
|
The speed of an object in a particular direction
|
|
|
Acceleration
|
The rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
|
|
|
Force
|
A push or a pull exerted on an object in order to change the motion of the object; force has size and direction
|
|
|
Newton
|
The SI unit for force (symbol,N)
|
|
|
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 the gravitational force exerted on an object; its value can change with the location of the object in the universe
|
|
|
Mass
|
A measure of the amount of matter in an object
|
