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