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प्रश्न
Will a boat move ahead unless. pushed with the help of an oar?

दीर्घउत्तर
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उत्तर
No, a boat will not move ahead unless force is applied with the help of an oar. When the boatman pushes the water backward with the oar, the boat moves forward. The force applied by the boatman using his muscles is called muscular force.
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