- tera (T) x1012
- giga (G) x109
- mega (M) x106
- kilo (k) x103
- -
- centi (c) x10-2
- milli (m) x10-3
- micro (μ) x10-6
- nano (n) x10-9
1 min read
OCR GCSE Physics Notes | P1
* Before the discovery of the electron: atoms as tiny spheres that could not be divided.
* Plum Pudding Model: the atom as a ball of positive charge with negative electrons embedded in it.
* Rutherford&
1 min read
OCR GCSE Physics Notes | P2
* Scalar: magnitude e.g. mass, energy, speed, distance.
* Vector: magnitude and direction e.g. force, velocity, displacement.
* Average speed = distance travelled/ time taken.
* Acceleration = change in velocity/ time taken.
* F=ma
* W=mg
2 min read
OCR GCSE Physics Notes | P3
* Q = It
* Q: charge (C)
* I: current (A)
* t: time (s)
* Current is the rate of flow of charge.
* Charge is a property of all matter and that there are positive and negative