Tyre Spoke Hub Rim Spoke Nipple Let us consider a bicycle wheel spinning at a rate of 50 revolutions per minute (rpm)--or 100 s-1.-about its center. A good approximation for the wheel is that all its mass is at the edge, thus we can say that the moment of inertia is given by I = MR. Ignoring the mass of the spokes, the rim has a mass of 2 kg and a radius of 75 cm. The angular momentum L is O 6.9 kg - m² /s O 5.9 kg - m² /s O 7.8 kg - m2 /s O 8.5 kg · m² /s

Tyre Spoke Hub Rim Spoke Nipple Let us consider a bicycle wheel spinning at a rate of 50 revolutions per minute (rpm)--or 100 s-1.-about its center. A good approximation for the wheel is that all its mass is at the edge, thus we can say that the moment of inertia is given by I = MR. Ignoring the mass of the spokes, the rim has a mass of 2 kg and a radius of 75 cm. The angular momentum L is O 6.9 kg - m² /s O 5.9 kg - m² /s O 7.8 kg - m2 /s O 8.5 kg · m² /s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Rigid Body

A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.

Rigid Body Dynamics

Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).

Question

Suppose all the mass of the wheel was in the spokes
instead of the rim. If the wheel had the same mass
and angular velocity, would it have a smaller or
greater angular momentum than from before?
O The angular momentum would be smaller than before
O The angular momentum would be greater than before
O The angular momentum would be the same

Tyre
Spoke
Hub
Rim
Spoke
Nipple
Let us consider a bicycle wheel spinning at a rate of
50 revolutions per minute (rpm)--or 100 s-1.-about
its center. A good approximation for the wheel is that
all its mass is at the edge, thus we can say that the
moment of inertia is given by I = MR. Ignoring the
mass of the spokes, the rim has a mass of 2 kg and a
radius of 75 cm. The angular momentum L is
O 6.9 kg - m² /s
O 5.9 kg - m² /s
O 7.8 kg - m2 /s
O 8.5 kg - m2 /s

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