work formula
work = force x distance
w = fd
force formula
force = mass x gravity
f = mg
power formula
Power = work / time
p = w / t
Force SI
Newton (N)
Power SI
Watts (W)
Work SI
Joules (J)
Mechanical advantage formula
Mechanical Advantage = Load / Effort
MA = L / E
Velocity ratio formula
Velocity ratio = Distance moved by effort / distance moved by load
VR (Screws)
Circumference(2Pir / Pid) / Pitch