SP1 - Motion

Question 1

SP1a - What is a scalar quantity?

Answer 1

A quantity with a magnitude (size) but no direction

Question 2

SP1a - What is a vecotr quantity?

Answer 2

A quantity with a magnitude (size) and direction.

Question 3

SP1a - What are the six main vector quantities?

Answer 3

Velocity
Displacement
Acceleration
Force
Weight
Momentum

Question 4

SP1b - How do you work out average speed?

Answer 4

Speed (m/s) = Distance(m) / Time(s)

Question 5

SP1b - What is the average speed of walking and cycling?

Answer 5

Walking: 1.4m/s
Cycling: 6m/s

Question 6

SP1b - What are the two things you can use to measure speed in an experiment?

Answer 6

Stopwatch
Light gates

Question 7

SP1b - On a distance/time graph, what does the gradient represent?

Answer 7

The velocity

Question 8

SP1b - On a distance/time graph, what does a horizontal line represent?

Answer 8

The object is stationary

Question 9

SP1b - On a distance/time graph, what does a curve represent?

Answer 9

The object is accelerating/deccelerating

Question 10

SP1c - How do you calculate acceleration?

Answer 10

Acceleration (m/s²)

=

Change in velocity (m/s) ÷ Time (s)

Question 11

SP1c - What is the value of acceleration due to gravity?

Answer 11

9.8m/s² (rounded to 10m/s²)

Question 12

SP1d - What does a straight slope mean on a velocity time graph?

Answer 12

Acceleration

Question 13

SP1d - What does a horizontal line mean on a velocity time graph?

Answer 13

The object is moving at a constant velocity

Question 14

SP1d - What does a curve mean on a velocity time graph?

Answer 14

Changing acceleration

Question 15

SP1d - What does the area under a velocity time graph represent?

Answer 15

The distance covered