Motion

Question 1

Give some examples of vector quantities

Answer 1

Force, displacement, acceleration, velocity

Question 2

Give some examples of scalar quantities

Answer 2

mass, temperature, time, distance, speed

Question 3

What is a scalar quantity?

Answer 3

Quantities that have magnitude but no sense of direction.

Question 4

What is a vector quantity?

Answer 4

Quantities that have magnitude and a sense of direction.

Question 5

Is distance a vector or scalar quantity?

Answer 5

scalar

Question 6

Is speed a vector or scalar quantity?

Answer 6

scalar

Question 7

Is displacement a vector or scalar quantity?

Answer 7

vector

Question 8

Is velocity a vector or scalar quantity?

Answer 8

vector

Question 9

Is acceleration a vector or scalar quantity?

Answer 9

vector

Question 10

How do you calculate distance on a velocity-time graph?

Answer 10

The area

Question 11

What is the gradient on a distance-time graph?

Answer 11

Velocity

Question 12

What is the gradient on a velocity-time graph?

Answer 12

Acceleration

Question 13

How do you calculate acceleration?

Answer 13

Change in velocity
_______________
Time

Question 14

How do you calculate velocity?

Answer 14

Distance
_______

Time

Question 15

The size of a braking force affects the braking distance. What other factors affect the breaking distance?

Answer 15

Speed/velocity
Condition of brakes / road surface / tyres
Weather

Question 16

How do you calculate work done?

Answer 16

Force X distance

Question 17

What does a distance time graph with a horizontal line mean?

Answer 17

Stationary

Question 18

What does a distance time graph with a diagonal line mean?

Answer 18

Travelling at a constant speed

Question 19

What does a distance time graph with a curved line mean?

Answer 19

Accelerating/decelerating

Question 20

What does a velocity time graph with a horizontal line mean?

Answer 20

Travelling at a constant speed

Question 21

What does a velocity time graph with no line mean?

Answer 21

Stationary

Question 22

What does a velocity time graph with a diagonal line mean?

Answer 22

Accelerating

Question 23

How do you find a gradient of a curve?

Answer 23

Use a tangent

Question 24

What is the typical speed of a person walking?

Answer 24

1.5m/s

Question 25

What is the typical speed of a person running?

Answer 25

3m/s

Question 26

What is the typical speed of a person cycling?

Answer 26

6m/s

Question 27

What is the typical speed of a car?

Answer 27

13-30m/s

Question 28

What is the speed of sound?

Answer 28

330-340 m/s

Question 29

A horizontal line on a distance-time graph tells you what about the motion of an object?

Answer 29

stationary

Question 30

What are the units of acceleration?

Answer 30

m/s^2

Question 31

If an object has negative acceleration what does this mean?

Answer 31

decelerating

Question 32

How long would it take me to travel 200m if my speed is 2m/s?

Answer 32

100s

Question 33

If an object has negative velocity what does this mean?

Answer 33

travelling in the other direction

Question 34

In physics, what does the symbol “u” represent?

Answer 34

initial velocity

Question 35

In physics, what does the symbol “v” represent?

Answer 35

final velocity