The 80-lb boy stands on the beam and pulls with a force of 40 lb. If (?
Question:
The 80-lb boy stands on the beam and pulls with a force of 40 lb. If (?s)D = 0.4, determine the frictional force between his shoes and the beam and the reactions at A and B. The beam is uniform and has a weight of 100 lb. Neglect the size of the pulleys and the thickness of the beam.
13 12 D. 5ft -3 ft -4 ft 1 f'
Step by Step Answer:
Equations of Equilibrium and Friction From FBDa T F 0 From FBD b F05400 F 3692 lb Since F N049538 3...View the full answer
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