OCR GCSE 2018 - Forces A

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Speed, Acceleration, Graphs, Forces, Weight

 

Choose the correct units for the following measurements :  
1. Mass
2. Weight
3. Velocity

4. Which of the following are vector quantities?

  • A). mass and velocity
  • B). acceleration and force
  • C). mass and displacement
  • D). velocity and time

This motorbike moves along a road at 25m/s. bike

Calculate ..

5. The distance moved in 50s.

  • A). 2 m
  • B). 0.5 m
  • C). 125 m
  • D). 1.25 km

6. The time taken to travel 2 kilometres.

  • A). 4 s
  • B). 80 s
  • C). 0.08 s
  • D). 40 s

7. Which of these 4 distance (s) -time (t) graphs shows a horse moving at constant velocity?

ST graph

 

8. Which of these is the correct formula for acceleration ?

  • A). change in velocity x time taken
  • B). change in velocity / time taken
  • C). velocity x time taken
  • D). velocity / time taken

9. A train accelerates from 10 m/s to 50 m/s in 20 seconds. The acceleration is:

  • A). 2 m/s2
  • B). 2.5 m/s2
  • C). 800 m/s2
  • D). 1000 m/s2

 

10. "Whenever 2 objects interact, the forces between them are equal and opposite". This is

  • A). Newton's First Law
  • B). Newton's Second law
  • C). Newton's Third law
  • D). not one of Newton's Laws

 

The velocity - time graph shows the journey of a bus as it moves away from a road junction.

What quantity is shown by.....

11. The gradient of line A
12. Line B
13. The area under the line.

14. The gradient of line C