# Newtons Notions Notions About Motions Flashcards

1
Q

The rate of change in velocity

A

Acceleration

2
Q

Describes the speed and direction of an object

A

Velocity

3
Q

The amount of an object

A

Mass

4
Q

The greatest velocity of a falling object reaches

A

Terminal

5
Q

Velocity parallel to earth surface

A

Horizontal

6
Q

The force on an object pulling towards the center of a circular path

A

Centripetal

7
Q

The rate of change in position or rate of motion

A

Speed

8
Q

Ratio between two different quantities

A

Rate

9
Q

Property of a body that resists a change in velocity

A

Inertia

10
Q

Zero velocity

A

Rest

11
Q

Mass of an object multiplied by its velocity

A

Momentum

12
Q

Upward force of air against a moving object

A

Air resistance

13
Q

Velocity in and up or down direction

A

Vertical

14
Q

Unit of measurement or force

A

Newtons

15
Q

A push or pull exerted on one body by another

A

Force

16
Q

Forces always come in…

A

Pairs

17
Q

Two objects with the song velocity must be moving in the same…

A

Direction

18
Q

A force that acts on all objects on earth

A

Gravity

19
Q

The force that opposes the motion of two touching surfaces

A

Friction

20
Q

Amount of force per unit area

A

Pressure