Question: a maintenance cradle in a factory is supported by the...
A maintenance cradle in a factory is supported by the pulley system in Figure 1.1. A fitter weighing 82 kg can be raised by (1) by pulling on the rope at R himself or (2) by someone else pulling on the rope. Calculate the pull force needed on the rope in each case. Friction and the weight of the cradle and pulleys are ignored.
Answers: (1) 160.9 N (2) 201.1 N