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It is an implement used to paddle a boat, in order to move it along in the water. There are many different types for different boats.

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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?

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.


Why was there no oar holes in the middle of the knarr?

The knarr, a Norse cargo ship, typically lacked oar holes in the middle because it was primarily designed for sailing rather than rowing. Its construction emphasized a deep hull and a broad beam, which provided stability and capacity for cargo. The absence of oar holes also allowed for a more efficient use of space and a stronger hull structure, making it better suited for long-distance trade across the North Atlantic.


What is the Gondolier's pole called?

The pole used by a gondolier to steer and propel the gondola is called an "oar" or "remo" in Italian. It is a long, single-sided paddle that the gondolier uses to navigate the canals of Venice.


What words are homophones in a long bladed pole made of a natural mineral?

Words that are homophones for a long-bladed pole made of a natural mineral could include "ore" and "oar", which sound alike but have different meanings.


What is the scientific name of the paramecium?

There are many different scientific names for paramecium's one of which is Paramecium pentaurelia. This paramecium, like many others has a shoe-like shape and moves by waving it's cilia(tiny oar-like hairs).