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ROTATIONAL INERTIA: RING AND DISK - stroboscopic<br />
(Variations Available)<br />
Rolling Down Inclined Plane<br />
Ring & disk have same mass & diameter. Because distance of mass from center of rotation is greater for ring it has a greater moment of inertia (twice the inertia of disk). Under equal force the disk experiences greater angular momentum and travels faster.

Fphoto-40039507A-2RM.jpg

ROTATIONAL INERTIA: RING AND DISK - stroboscopic
(Variations Available)
Rolling Down Inclined Plane
Ring & disk have same mass & diameter. Because distance of mass from center of rotation is greater for ring it has a greater moment of inertia (twice the inertia of disk). Under equal force the disk experiences greater angular momentum and travels faster.

Copyright:© 1995 Richard Megna - Fundamental Photographs

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Richard Megna