1) A bicyclist is coasting straight down a hill at a constantspeed. The mass of
ID: 1738106 • Letter: 1
Question
1) A bicyclist is coasting straight down a hill at a constantspeed. The mass of the rider and bicycle is 98.0 kg, and the hillis inclined at 10.0 ° with respect to the horizontal. Airresistance opposes the motion of the cyclist. Later, the bicyclistclimbs the same hill at the same constant speed. How much force(directed parallel to the hill) must be applied to the bicycle inorder for the bicyclist to climb the hill? 1) A bicyclist is coasting straight down a hill at a constantspeed. The mass of the rider and bicycle is 98.0 kg, and the hillis inclined at 10.0 ° with respect to the horizontal. Airresistance opposes the motion of the cyclist. Later, the bicyclistclimbs the same hill at the same constant speed. How much force(directed parallel to the hill) must be applied to the bicycle inorder for the bicyclist to climb the hill?Explanation / Answer
F=mgSin, since the weight of the person down the incline is the only force to oppose in order to create motion, so F=(9.8)(98kg)Sin10=166.8 N
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