Measurements used in linear motion

Question 1

Define linear motion

Answer 1

Is motion in a straight or curved line, with all body parts moving at the same distance at the same speed at the same time.

Question 2

Define mass

Answer 2

The quantity of matter a body possesses

Question 3

Define weight

Answer 3

The force on a given mass by gravity

Question 4

What is the formula for weight?

Answer 4

Weight = mass x gravity

Question 5

Define distance

Answer 5

The length of path the body follows when moving from A to B

Question 6

Define displacement

Answer 6

The length of a straight line from A to B

Question 7

What is displacement often referred to as?

Answer 7

‘as the crow flies’

Question 8

Define speed

Answer 8

The rate of change of position

Question 9

What is the formula for speed?

Answer 9

Speed = distance/time

Question 10

Define velocity

Answer 10

The rate of change of displacement (how quickly you get from A to B in a straight line)

Question 11

What is the formula for velocity?

Answer 11

Velocity = displacement/time

Question 12

What is velocity also known as?

Answer 12

Velocity, is speed with a direction

Question 13

Define acceleration

Answer 13

The rate of increase in velocity - and involves direction!

Question 14

Define deceleration

Answer 14

The rate of decrease in velocity - and involves direction!

Question 15

Are acceleration and deceleration directionally aware?

Answer 15

Yes

Question 16

What is a scalar quantity?

Answer 16

Only takes into consideration magnitude (size)

Question 17

What is a vector quantity?

Answer 17

Takes both magnitude (size) and direction into consideration