AQA GCSE PHYSICS · PAPER 2 · FOUNDATION & HIGHER
Exam Practice: Distance, displacement, speed and velocity
Distance, displacement, speed and velocity · Forces · Lesson 10 of 20 · 13 marks · 14 minutes
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Instructions
• Answer all the questions.
• Write your answers in the spaces provided.
• The marks for each question are shown in brackets - use this as a guide to how much to write.
• The answers are on separate pages at the back. Attempt every question before you look at them.
• Answer all questions. Use the mark allocation as a guide to how much to write.
Question 1 CALCULATE (2 marks)
A runner travels at a steady speed of 3.0 m/s for 120 s. Calculate the distance travelled. Use the equation: distance travelled = speed × time
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(Total for Question 1 = 2 marks)
Question 2 CALCULATE (3 marks)
A cyclist travels 1500 m in 5.0 minutes. Calculate the average speed in m/s.
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(Total for Question 2 = 3 marks)
Question 3 EXPLAIN (2 marks)
Explain the difference between distance and displacement.
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(Total for Question 3 = 2 marks)
Question 4 CALCULATE (3 marks)
A person walks 3 km east and then 4 km north. Calculate (a) the distance travelled (b) the magnitude of the displacement.
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(Total for Question 4 = 3 marks)
Question 5 EXPLAIN (3 marks)
A car travels round a roundabout at a constant speed. Explain why its velocity is changing.
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(Total for Question 5 = 3 marks)
TOTAL FOR PAPER = 13 MARKS
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Answers and mark scheme
Check your answer only once you have written one.
Question 1 (2 marks)
3.0 × 120 = 360 m
• Correct substitution 1 mark
• 360 m 1 mark
Question 2 (3 marks)
t = 300 s; v = 1500 ÷ 300 = 5.0 m/s
• Converts to 300 s 1 mark
• Correct substitution 1 mark
• 5.0 m/s 1 mark
Question 3 (2 marks)
Distance is how far an object moves (a scalar). Displacement is the straight-line distance from the start to the finish in a particular direction (a vector).
• Distance: how far, no direction 1 mark
• Displacement: straight line with direction 1 mark
Question 4 (3 marks)
(a) 7 km. (b) √(3² + 4²) = 5 km.
• 7 km 1 mark
• Pythagoras 1 mark
• 5 km 1 mark
Question 5 (3 marks)
Velocity is speed in a given direction. The car's direction keeps changing, so its velocity changes even though the speed is constant.
• Velocity is a vector 1 mark
• Direction changes 1 mark
• So velocity changes with constant speed 1 mark