You Are Pedaling a Bicycle at 9

question 32

Multiple Choice

You are pedaling a bicycle at 9.8 m/s.The radius of the wheels of the bicycle is 51.9cm.The angular velocity of rotation of the wheels is

• A)19 rad/s
• B)2.5 rad/s
• C)4.5 rad/s
• D)3.0 rad/s
• E)6.3 rad/s

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Definitions:

Servo Action

A mechanism that uses feedback to control a device, commonly found in systems requiring precise control of position or speed.

Anchor

A device used to connect a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current.

Leading-Trailing Brake Designs

A drum brake configuration where one brake shoe is positioned to lead and press against the drum due to rotational forces, and the other trails and provides lesser braking force.

Anchor

A device used to connect a vehicle to the ground to prevent it from moving, or a metaphor for something that provides stability.