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An oar used to row a boat has a handle 160 cm from the fulcrum and the blade 40 cm from the fulcrum What is the ideal mechanical advantage of the oar?
Wiki User
∙ 14y ago
4
Wiki User
∙ 14y ago
The ideal mechanical advantage of the oar can be calculated using the formula: MA = Length of effort arm / Length of resistance arm. In this case, the length of the effort arm (handle) is 160 cm, and the length of the resistance arm (blade) is 40 cm. Therefore, the ideal mechanical advantage of the oar is 160 cm / 40 cm = 4.
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