Physics: Motion

Question 1

Speed

Answer 1

Distance/Time

Question 2

Recognise from the shape of a speed-time graph when a body is:
• at rest
• moving with constant speed
• moving with changing speed.

Answer 2

At rest: line at bottom
Moving with constant speed: horizontal line
Moving with changing speed: curved/straight diagonal line

Question 3

Recognise linear motion for which the acceleration is constant, and calculate the acceleration.

Answer 3

Straight diagonal line.

(final speed - initial speed)/time

Question 4

Recognise motion for which the acceleration is not constant.

Answer 4

Curved diagonal line

Question 5

Calculate the area under a speed-time graph to work out the distance travelled for motion with constant acceleration.

Answer 5

Distance = speed x time

Question 6

Demonstrate a qualitative understanding that acceleration is related to changing speed.

Answer 6

Acceleration is related to changing speed