Chapter 3: Motion

Question 1

Inertia

Answer 1

The tendency of an object to maintain its state of motion

Question 2

Acceleration

Answer 2

Any change in an object’s motion

Question 3

Mass

Answer 3

The measure of the amount of matter in an object

Question 4

Weight

Answer 4

Measurement of the force of gravity pulling on an object

Question 5

Newton

Answer 5

Science unit for force

Question 6

Vector

Answer 6

Magnitude and direction

Question 7

Scalar

Answer 7

Only magnitude

Question 8

Net force

Answer 8

Combination of all the force acting on an object

Question 9

Equilibrium

Answer 9

There is no change in motion. When the net force = 0, the object is in equilibrium. No acceleration

Question 10

Support Force

Answer 10

(Normal Force) The force pushing upward on an object. (Opposite to the object’s weight)

Question 11

Friction

Answer 11

Force that occurs when one object rubs against another object

Question 12

What does acceleration depend on?

Answer 12

The amount of force applied and on the object’s inertia

Question 13

What can mass also be measured as?

Answer 13

Inertia

Question 14

How many newtons in 1 kg?

Answer 14

9.8 N (Usually rounded to 10 N)

Question 15

Kg -> N
N -> Kg

Answer 15

-Multiply by 10
-Divide by 10

Question 16

Support Force is…

Answer 16

perpendicular

Question 17

Friction is…

Answer 17

Always in a direction opposite to the objects motion