pgs. 44-62 Flashcards Preview

8th science > pgs. 44-62 > Flashcards

Flashcards in pgs. 44-62 Deck (11):
1

the action or process of moving or being moved.

Motion

2

a basis or standard for evaluation, assessment, or comparison; a criterion.

refrence point

3

the rate at which someone or something is able to move or operate.

speed

4

the speed of something in a given direction.

velocity

5

a tendency to do nothing or to remain unchanged.

inertia

6

the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.

gravity

7

strength or energy as an attribute of physical action or movement.

force

8

the resistance that one surface or object encounters when moving over another.

firction

9

The gravitational force is a force that attracts any objects with mass. You, right now, are pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation.

gravitational force

10

An applied force is a force that is applied to an object by a person or another object. If a person is pushing a desk across the room, then there is an applied force acting upon the object. The applied force is the force exerted on the desk by the person.

applied force

11

a vehicle's capacity to gain speed within a short time.

acceleration