iGCSE Physics Movement and position

Which of the following quantities is a vector?

• distance

• speed

• acceleration

• time

Identify the correct units for velocity.

• m/s

• m/s^2

• s

• m^2

The graph shows a car’s motion. What is the car doing at this point?

• accelerating

• stationary

• decelerating

• travelling at a constant speed

Which of the equations below shows the correct relationship between speed, distance and time?

• speed^2 = distance/time

• distance × speed = time

• speed × time = distance

• speed = distance × time

Which of the following statements is correct about displacement?

• displacement is measured in m/s

• displacement is a vector quantity

• displacement is a scalar quantity

• acceleration is a change in displacement

A speed skater is travelling at 2 m/s and accelerates uniformly to 4 m/s in 5 seconds. What is her acceleration?

• 0.4 m/s^2

• 0.75 m/s^2

• 0.8 m/s

• 0.4 m/s

A car travels 20 miles in 1 hour 15 minutes. What is its average speed?

• 16 m/s

• 25 mph

• 16 mph

• 6.25 m/s

The graph shows a car journey. What is the maximum speed of the car?

• 50 mph

• 50 m/s

• 65 mph

• 60 mph

A cyclist is travelling at 12 m/s and decelerates uniformly to come to a stop in 4 seconds. What is his acceleration?

• 3 m/s^2

• -3 m/s^2

• 0.6 m/s

• he is decelerating not accelerating

The graph shows the journey of a lorry. How could you calculate the distance the lorry has travelled from the graph?

• divide the maximum speed by the time

• multiply the maximum speed by the time

• the gradient of the line

• the area underneath the graph