# McAuley p2 Physics.csv

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The flashcards below were created by user McAuley on FreezingBlue Flashcards.

1. What are the units of force
Newtons
2. What are the units of distance
Metres
3. What are the units of time
seconds
4. What is the unit of momentum
kgm/s
5. What is the unit of speed
m/s
6. What is the unit of acceleration
m/s2
7. On a distance time graph what does a straight line represent?
A stationary object
8. What does the gradient on a distance time graph represent?
The speed of an object
9. How do you calculate the gradient on a graph
Divide the change on the Y axis by the change on the x axis
10. What does a horizontal line on a velocity time graph mean?
Constant Speed
11. What does a steep line on a velocity time graph show
Fast acceleration
12. The area under a velocity time graph represents
Distance travelled
13. "What is the equation involving force
mass and acceleration"
14. A car has a mass of 2000 kg and is accelerating at 4m/s2 what is the force provided by the engine?
F= MA F = 2000x4 = 8000N
15. A lorry has a mass 12000 kg and the engine provides a force of 48000N what is its acceleration?
F= ma a=F/m= 48000/12000 = 4m/s2
16. Momentum =
Mass x velocity
17. Kinetic energy =
1/2* m * v2
18. Workdone =
force x distance
19. "What is the equation for force
change in momentum and time "
20. Which component is always put in parallel within the circuit?
Voltmeter
21. Which component is always put in series within the circuit?
Ammeter
22. What is DC current
Direct Current - Only flows in one direction
23. What is an AC current
Alternating current - constantly reverses direction.
24. In a plug the blue wire is
Neutral
25. In a plug the green and yellow wire is the ..?
Earth Wire
26. In a plug the brown wire is the ...?
Live Wire
27. What is the equation relating power energy and time
Power = energy/time
28. What is the equation relating power current and potential different
power = current x potential difference
29. Charge =
Current x time
30. The unit of Charge is ...?
Coulombs
31. Workdone=
Force x distance

### Card Set Information

 Author: McAuley ID: 143104 Filename: McAuley p2 Physics.csv Updated: 2012-03-22 10:36:51 Tags: Mcauley P2 Physics Folders: Description: McAuley P2 Physics Show Answers:

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