3-Motion and Forces Flashcards
1
Q
Vector
A
A quantity that has both magnitude and direction
2
Q
Displacement
A
Distance moved in a specific direction
3
Q
Velocity
A
Speed in a specific direction (or rate of change of displacement)
4
Q
Acceleration
A
The rate of change of the velocity in an object
5
Q
Deceleration
A
Velocity decreasing over time
6
Q
Free body diagram
A
A diagram that shows all the forces acting on an object
7
Q
Weight
A
The gravitational force acting on an object measured in newtons
8
Q
Mass
A
Amount of matter an object contains
9
Q
Terminal velocity
A
The constant velocity of a falling object when the net force acting on it is zero
10
Q
Scalar
A
A quantity that only has a size (magnitude)
