Forces and Motion — Distance, Speed and Velocity Quiz
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5 questions, one answer each
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1. What quantity does the gradient of a distance–time graph represent?
- A. A. Acceleration
- B. B. Speed
- C. C. Force
- D. D. Displacement
2. A car travels 150 m in 10 s at a constant speed. What is its speed?
- A. A. 1.5 m/s
- B. B. 15 m/s
- C. C. 150 m/s
- D. D. 1500 m/s
3. Which statement correctly distinguishes speed from velocity?
- A. A. Speed includes direction, velocity does not
- B. B. Velocity includes direction, speed does not
- C. C. They are exactly the same quantity
- D. D. Speed is measured in metres, velocity in seconds
4. A hiker walks 8 km east then 6 km north back to a road, taking 3.5 hours in total and ending 10 km in a straight line from the start. Which statement is correct?
- A. A. Distance travelled = 10 km, displacement = 14 km
- B. B. Distance travelled = 14 km, displacement = 10 km in the resultant direction
- C. C. Distance and displacement are both 14 km
- D. D. Distance and displacement are both 10 km
5. (HT) On a distance–time graph showing a curve that gets steeper over time, a student wants the object's speed at exactly t = 4 s. What should they do?
- A. A. Divide total distance by total time
- B. B. Draw a tangent to the curve at t = 4 s and find its gradient
- C. C. Read the y-value at t = 4 s directly as the speed
- D. D. Find the average of the speeds at t = 0 and the end of the graph