Equations (Ben) Flashcards Preview

General IGCSE Physics 2 > Equations (Ben) > Flashcards

Flashcards in Equations (Ben) Deck (24):
1

weight

mass x gravitational field strength

2

distance travelled

speed x time taken

3

force

mass x acceleration

4

momentum

mass x velocity

5

moment

force x perpendicular distance from pivot

6

orbital speed

(2 x pi x r)
----------------------------------------
Time taken to complete one period

7

electrical power

current x voltage

8

energy transferred

power x time

9

voltage

current x resistance

10

wave speed

frequency x wavelength

11

angle of incidence

angle of reflection

12

refractive index, n

sin i
-----
sin r

13

refractive, n

1
------
sin c

14

efficiency

useful energy output from the system
--------------------------------------------
total energy input to the system

15

work, W

force, F x distance, d

16

GPE

mass, m x gravitational field strength, g x height, h

17

KE

0.5 x mass x speed^2

18

power, P

work done, W
------------
time taken, t

19

density

mass, m
-----------
volume, v

20

pressure, p

force, F
---------
area, A

21

pressure difference in a liquid, p (in Pa)

height (in metres), h x density (kg/m^3) x gravitational field strength (N/kg), g

22

volume1, v x pressure1, p

volume2, v x pressure2, p

23

pressure1, p
------------------
temperature1, t

pressure2, p
------------------
temperature2, t

24

input (primary) voltage
-------------------------------
output (secondary) voltage

primary turns
-------------------
secondary turns