A Wheel of Radius R Is Rolling on a Horizontal

question 7

Multiple Choice

A wheel of radius R is rolling on a horizontal surface. Its center is moving forward with speed v. A point on the wheel a distance r/3 below the center is moving forward at a speed 2v/3. The wheel is

• A) rolling without slipping.
• B) not rotating at all.
• C) made of rubber.
• D) slipping because its angular speed is too low to be rolling without slipping.
• E) slipping because its angular speed is too high to be rolling without slipping.

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