Physics Flashcards
1
Q
Weight=?
A
Mass x gravitation field strength
2
Q
Work done=?
A
Force x distance
3
Q
Force applied to a spring=?
A
Spring constant x extension
4
Q
Moment of force=?
A
Foxes x distance
5
Q
Pressure=?
A
Force normal to a surface ÷ area of that surface
6
Q
Distance travelled=?
A
Speed x time
7
Q
Acceleration=?
A
Change in velocity ÷ time taken
8
Q
Resultant force=?
A
Mass x acceleration
9
Q
Momentum=?
A
Mass x velocity
10
Q
Kinetic energy=?
A
O.5 x mass x speed^2
11
Q
Gravitational potential energy=?
A
Mass x gravitational field strength x height
12
Q
Power= energy transfered….
A
Energy transfered ÷ time
13
Q
Power= work done….
A
Work done ÷ time
14
Q
Efficiency=?
A
Useful output ÷ total input
15
Q
Wave speed=
A
Frequency x wavelength
