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15-01-2023
Physics

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A student wants to lift design a wheel and axle to lift a 400 N bucket of water from the bottom of a well. She already has a wheel with a 50 cm radius, and she is able to steadily apply an 80 N force. What should the radius of the axle be so that she can lift the bucket with this simple machine?

0.4 cm
64000 cm
10 cm
16000 cm

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