A 120-m long ski lift carries skiers from a station at the foot of a slope to a second station 40 m above the base. What is the IMA of the lift?

IMA = 3

Explanation:

Given the following data;

Distance covered by the effort or output distance = 120 m

Distance covered by the load or input distance = 40 m

To find the ideal mechanical advantage (IMA);

Mathematically, IMA is given by the formula;

Substituting into the equation, we have;

IMA = 3

Therefore, the ideal mechanical advantage (IMA) of this ski lift is 3.

NB: The ideal mechanical advantage has no units.

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