NEED HELP? |
Speed, Acceleration, Graphs, Momentum, Stopping Distances |
|||||||||||||||||
1. What unit should be used when measuring power? | |||||||||||||||||
2. "Whenever 2 objects interact, the forces between them are equal and opposite". This is:
|
|||||||||||||||||
3. Newton's 3rd law is all about forces. Which of these is a clear demonstration of this law?
|
|||||||||||||||||
4. Which of these speeds might be typical for a bicycle?
|
|||||||||||||||||
5+6: This motorbike moves along a road at 25m/s. Calculate .. |
|||||||||||||||||
5. The distance moved in 50s.
|
|||||||||||||||||
6. The time taken to travel 2 kilometres.
|
|||||||||||||||||
7. Which of these 4 distance (s) -time (t) graphs shows a horse moving at constant velocity? |
|||||||||||||||||
8. Which of these is the correct formula for acceleration ?
|
|||||||||||||||||
9. A train accelerates from 10 m/s to 50 m/s in 20 seconds. The acceleration is:
|
|||||||||||||||||
10. To increase the momentum of a toy car, which two quantities must be increased?
|
|||||||||||||||||
11-14: 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? | |||||||||||||||||