A lever is a machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.
It's a 2nd order lever. Water is pivot, boat is load, arm is effort.An oar is a lever
a second class lever
wheel and axle
An oar is a type of Class 3 lever, where the effort (force applied) is between the fulcrum (pivot point) and the resistance (the water the oar pushes against). In this case, the oar handle is the effort, the oar blade acts as the resistance, and the boat acts as the fulcrum.
oar
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A paddle boat is more suitable for leisurely activities on calm waters compared to an oar boat.
it's pronounced "park" as in a nature park then "oar" as in a boat's oar.
an oar or paddle
An Oar
oar
oar