Equations Flashcards
1
Q
Equation for force?
A
Mass X acceleration
2
Q
Equation for weight?
A
Mass X gravity
3
Q
Equation for speed?
A
distance / time
4
Q
Equation for momentum?
A
Mass X velocity
5
Q
Equation for acceleration?
A
Change in velocity / time
6
Q
Equation for power?
A
Current X voltage
7
Q
Equation for charge?
A
Current X time
8
Q
Equation for energy? (electricity)
A
Power X time
9
Q
Equation for voltage?
A
Current X resistance, Power / current
10
Q
Equation for density?
A
Mass / volume
11
Q
Equation for pressure?
A
Force / area
12
Q
Equation for pressure difference?
A
Height X density X gravity
13
Q
Equation for work done?
A
Force X distance
14
Q
Equation for efficiency?
A
Useful output / total input (x100)
15
Q
Equation for orbital speed?
A
2(pi)r / time