Topic 1 - Motion

Question 1

What is a scalar quantity?

Answer 1

Only have magnitude and no direction

Question 2

Examples of scalar quantities: (4)

Answer 2

Speed, mass, distance, energy

Question 3

What are vector quantities?

Answer 3

Have a magnitude and a direction

Question 4

Examples of vector quantities: (6)

Answer 4

Force, displacement, momentum, velocity, acceleration, weight

Question 5

What is distance?

Answer 5

-scalar
-how far an object has moved (not including its direction)

Question 6

What is displacement?

Answer 6

-vector
- the distance and direction in a straight line from an objects start point to finish point

Question 7

What is speed?

Answer 7

• scalar
• how fast you’re going with no regard for direction

Question 8

What is velocity?

Answer 8

-vector
-speed in a certain direction

Question 9

What is acceleration?

Answer 9

The change in the velocity in a certain amount of time

Question 10

Typical speed - walking

Answer 10

1.5 m/s

Question 11

Typical speed - running

Answer 11

3 m/s

Question 12

Typical speed - cycling

Answer 12

5.5 m/s

Question 13

Typical speed - car

Answer 13

13 m/s

Question 14

Typical speed - car (motorway)

Answer 14

30 m/s

Question 15

Typical speed - train

Answer 15

Up to 55 m/s

Question 16

Typical speed - plane

Answer 16

250 m/s

Question 17

Typical speed - wind

Answer 17

5 - 20 m/s

Question 18

Typical speed - sound

Answer 18

340 m/s