A cyclist competes in a one-lap race around a flat, circular course of radius r.
ID: 2240200 • Letter: A
Question
A cyclist competes in a one-lap race around a flat, circular course of radius r. Starting from rest and speeding up at a constant rate throughout the race, the cyclist covers the entire course in a time ?t. The mass of the bicycle (including the rider) is m. What is the magnitude of the net force Fnet acting on the bicycle as it crosses the finish line?
Which of the following quantities are constant in this problem?
Check all that apply.
The magnitude of the tangential force
The magnitude of the tangential acceleration
The magnitude of the radial force
The magnitude of the radial acceleration
The magnitude of the normal force on the bicycle+rider
The magnitude of the bicycle+rider's weight
The angular velocity ? of the bicycle+rider
Explanation / Answer
The magnitude of the tangential force
The magnitude of the tangential acceleration
The magnitude of the normal force on the bicycle+rider
The magnitude of the bicycle+rider's weight
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