Force & Motion (Unit 3)

Question 1

Force

Answer 1

a push or pull that can change the motion of an object

Question 1

Exert

Answer 1

to apply a force

Question 2

Velocity

Answer 2

speed in a specific direction

Question 3

Speed

Answer 3

how fast an object is moving

Question 4

Reference point

Answer 4

the starting point you choose to describe a location, or position, of an object

Question 5

Position

Answer 5

an object’s distance and direction from a reference point

Question 6

Distance

Answer 6

a length between two points

Question 7

Displacement

Answer 7

change in position

Question 8

Mass

Answer 8

the amount of matter that makes up an object

Question 9

Friction

Answer 9

a force between an object and the surface it is moving over. (the force applied on the object is in the opposite direction.)

Question 10

Note:

Answer 10

two dimensional displacement needs to have a direction

Question 11

Speed Formula

Answer 11

Distance / Time = Speed

Question 12

Distance Formula

Answer 12

Speed x Time = Distance

Question 13

Time Formula

Answer 13

Distance / Speed = Time

Question 14

What is the abbreviation for miles per hour?

Answer 14

mph

Question 15

What is the abbreviation for kilometers per hour?

Answer 15

km/h

Question 16

What is the abbreviation for meters per hour?

Answer 16

m/h

Question 17

What is the abbreviation for meters per second?

Answer 17

m/s

Question 18

What is the abbreviation for feet per second?

Answer 18

f.p.s. or ft. per sec.

Question 19

What is the abbreviation for centimeters per second?

Answer 19

cm/sec or cm/s