A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of 2 tonnes.

Question

1)If the mechanical advantage of the system is 30, determine the diameter of the wheel.
ANSWER = m
2)Determine the effort required to maintain the system equilibrium.
ANSWER = N

Answer 1

25 * 30 = 750 cm = 7.5 meters

2/30 = .067 tons or 133 pounds