<P> An oar is an implement used for water - borne propulsion . Oars have a flat blade at one end . Rowers grasp the oar at the other end . The difference between oars and paddles are that paddles are held by the paddler, and are not connected with the vessel . Oars generally are connected to the vessel by means of rowlocks or tholes which transmit the applied force to the boat . In this system (known as a second class lever) the water is the fulcrum . </P> <P> Rowers generally face the stern of the vessel, reach towards the stern, and insert the blade of their oar in the water . As they lean back, towards the vessel's bow, the blade of their oars sweeps the water towards the stern, providing forward thrust--see lever . </P>

What is the difference between oar and paddle
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