Equations

Question 1

Calculating resistor value

Answer 1

1st value + 2nd value (then combined not actual addition i.e. 1 and 2 means 12) X 3rd value

Question 2

Mechanical advantage with weights

Answer 2

Load / Effort

Question 3

Mechanical advantage with distances

Answer 3

Distance from effort to fulcrum / distance from load to fulcrum

Question 4

Calculate Gear ratio

Answer 4

No. Teeth on the driven gear / No. teeth on the driver gear

Question 5

Input needed to lift something using pulleys

Answer 5

The weight of the load / Number of Pulleys

Question 6

Velocity ratio

Answer 6

Diameter of driven pulley / diameter of driver pulley