# P3 OCR Gateway Science GSCE Physics

My notes I made for my exam which I re-sited so these notes are quite detailed because I knew I had to do better (which I did :D ) but some may be brief because I could remember the section :) Hope it helps!!

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• Created by: Lucy :)
• Created on: 11-03-13 22:35

## Pages in this set

### Page 1

Speed and Distance

Distance = Speed x Time

Average Speed =

Distance = Average Speed x Time = xt

^ flat sections = stopped
^ negative gradient = changed direction ­ going back home e.g.
^ curves = acceleration/de

Forces…

### Page 2

Thinking distance = the distance the car travels in the time between the driver noticing the
hazard + applying the brakes
Affected by 2: how FAST you're going + DOPEYNESS - tiredness, drugs, alcohol, distractions,
lack of concentration + careless attitude
Braking distance = the distance taken to stop once…

### Page 3

Kinetic Energy gained = Gravitational Potential Energy lost
½ x m x v2 = mgh
2
h = v / 2g

Power = measure of how quickly work is being done

powerful machine = transfers a lot of energy in a short space of time NOT strong force

Power =…