year 9 equations Flashcards
1
Q
What is the equation for pressure
A
force divided area
2
Q
what is the equation for efficiency
A
useful energy divided by total energy input
3
Q
what is the equation for work done
A
force times distance moved in the direction
4
Q
what is the equation for kinetic energy
A
1/2 times mass times speed squared
5
Q
what is the units for pressure
A
Newtons slash meters squared
6
Q
what is the units for work done
A
jewls
7
Q
how is kinetic energy measured
A
jewls
8
Q
how is kinetic energy measured
A
jewls