troll Flashcards
1
Q
Calculate the force required to give a mass of x an acceleration y
A
Force = mass x acceleration
2
Q
Kinetic Energy Formula
A
1/2 x mass x velocity^2
3
Q
Power formula (Turbine blades)
A
Work done (Change in J) / Time
4
Q
Efficiency formula
A
Useful power / Total power
5
Q
Power formula (Potential Difference)
A
Power = Current x Voltage
6
Q
Volume formula in terms of density
A
Volume = mass / density
7
Q
Calculate Mass in terms of specific latent heat
A
Mass = Energy / Specific latent heat
8
Q
Rules of converging lens
A
- Line going through parallel will go through focal point
- Line going through focal point will become parallel
- Line going through middle will come back through middle
9
Q
Red light will travel ____ green light
A
above
10
Q
Describe the moment of a force about a point
A
A moment is the turning force about a point
11
Q
How to calculate weight
A
Mass x Gravitational field strength
