Figure 10-54 shows a flat construction of two circular
Chapter , Problem 86(choose chapter or problem)
Figure 10-54 shows a flat construction of two circular rings that have a common center and are held together by three rods of negligible mass. The construction, which is initially at rest, can rotate around the common center (like a merrygo-round), where another rod of negligible mass lies. The mass, inner radius, and outer radius of the rings are given in the following table. A tangential force of magnitude 12.0 N is applied to the outer edge of the outer ring for 0.300 s.What is the change in the angular speed of the construction during the time interval? Ring Mass (kg) Inner Radius (m) Outer Radius (m) 1 0.120 0.0160 0.0450 2 0.240 0.0900 0.1400
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