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The friction Pulley has a torque of 1200 Nm and 10 rad/SEC when an elevator moves at full load. it was determined to work with angular velocity. If the elevator was to be hydraulic driven, how many bars would the working pressure be for a pump operating with a flow rate of 120 lt/min. (1 lt = 1 dm3, 1 min = 60 sec, P = M.w = p.Q, 1 bar = 100 kPa, 1 Pa = 1 N / m2)

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