Posted by
**Danny** on
.

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.

1) If the mechanical advantage of the system is 30, determine the diameter of the wheel___________m.

2)Determine the effort required to maintain the system equilibrium ______N.

Need a little help with the formulas. Thanks.