The pulley system shown is used to support and/or hoist the 200- kg block as shown. The coefficient of friction is 0.25 in both pulleys. a. Determine the minimum value of T just to support the system in equilibrium. b. Determine the minimum value of T to hoist the block upward.

Refrigeration and Air Conditioning Technology (MindTap Course List)
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Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
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The pulley system shown is used to support and/or hoist the 200- kg block as shown. The coefficient of friction is 0.25 in both pulleys. a. Determine the minimum value of T just to support the system in equilibrium. b. Determine the minimum value of T to hoist the block upward.

180 mm
T2
T1
T
90 mm
201 kg
Transcribed Image Text:180 mm T2 T1 T 90 mm 201 kg
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