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Acceleration and Newtons laws with Mass
A 5.0Kg stone is sinking in water at a constant speed of 5.0m/s what is the upward force of water on the stone?
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Remember that F = ma. If an object falls at a constant rate, then the acceleration = 0. Hence the force upward on the stone (due to resistance of the water) is equal to the force downward (due to gravity). Can you take it from here? |
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