reverse Flashcards
(9 cards)
1
Q
mass x gravitational field strength=
A
weight
2
Q
force x distance=
A
work done
3
Q
spring constant x extension=
A
force applied to a spring
4
Q
0.5 x mass x speed(squared)=
A
kinetic energy
5
Q
mass x gravitational field strength x height=
A
gravitational potential energy
6
Q
energy transferred
___________________ =
time
A
power
7
Q
work done
————— =
time
A
power
8
Q
useful output energy transfer
—————————————- =
total input energy transfer
A
efficiency
9
Q
useful power output
—————————- =
total power input
A
efficiency
