equations Flashcards
1
Q
velocity ratio
A
diameter of driven pulley
___________________________
diameter of driver pulley
2
Q
torque
A
force x radius (t = f x r)
3
Q
Moment of Force
A
force x distance from fulcrum (Nm)
4
Q
Mechanical Advantage (MA)
A
load
_____
effort
5
Q
levers
A
f x d = f x d
6
Q
weight
A
mass x acceleration (earth)
7
Q
power
A
work over time
8
Q
express work done (energy)
A
work = force x dist moved
1J = 1N X 1m
9
Q
converting mass to weight
A
mass x acceleration
10
Q
gear ratio
A
driver (no of teeth)
11
Q
Factor of safety
A
requirement (R)
12
Q
A
