A cyclist intends to cycle up a 9.50 hill whose
Chapter 8, Problem 8.24(choose chapter or problem)
A cyclist intends to cycle up a 9.50 hill whose verticalheight is 125 m. The pedals turn in a circle of diameter36.0 cm. Assuming the mass of bicycle plus person is 75.0 kg,(a) calculate how much work must be done against gravity.(b) If each complete revolution of the pedals moves thebike 5.10 m along its path, calculate the average force thatmust be exerted on the pedals tangent to their circular path.Neglect work done by friction and other losses.
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