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  3. 4 a 30in diameter roller is rotating at 1200 rpm...

Question: 4 a 30in diameter roller is rotating at 1200 rpm...

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4. A 3.0-in diameter roller is rotating at 1200 rpm clockwise and is held against a 7.0-in diameter roller 1200 rpm with a 50 lb force. The rollers are both made of rubber with a coefficient of friction of 0.25. Determine the power and maximum torque that can transmitted by the larger roller. 3in7-in
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