Power, Work Done and Electricity Equations Flashcards
1
Q
Efficiency (Equation)
A
Useful energy out ➗ Total Energy in
2
Q
Work Done (Equation)
A
Force x Distance
3
Q
What is Work Done Equal to?
A
Energy Transferred
4
Q
GPE=?
A
MGH
5
Q
MGH=?
A
Mass, Gravity and Height (M)
6
Q
KE=?
A
1/2mv²
7
Q
what is m and v in the KE equation?
A
M = Mass V = Velocity
8
Q
Power=?
A
Work Done ➗ Time Taken
9
Q
Weight=
A
Mass x Gravity (10 on Earth)
10
Q
Force =
A
Mass x Acceleration
11
Q
What is Force Measured in?
A
Newtons
12
Q
What is kinetic Energy measured in?
A
Joules
13
Q
What is Weight measured in?
A
Newtons
14
Q
What is Work measured in?
A
Joules
15
Q
What is GPE measured in?
A
Joules
16
Q
What is power measured in?
A
Watts
