Determine the time needed to pull the cord at B down 4.57 ft starting from rest when a force of 11.22 lb is applied to the cord. Block A weighs 20.742 lb. Neglect the mass of the pulleys and co

Question 3 of 15 lb O 11:04 pm □

The cable exerts a force of P-6 kN at the end of the 8-m-long crane boom (Figure 1) Figure 1of1 Part A If-30, determine the placement ar of the boom at B so that this force creates a maximum moment about point O Express your answer to three significant figures and include the appropriate units Submit Part B Value (Mo) Request Answer What is this moment? Express your answer to three significant figures and include the appropriate units. Enter positive value of the moment is counterclockwise and negative value if the moment is clockwise. Value Submit Request Answ Units Pearson ? → Ć Units

Calculate the bearing reaction and internal forces of the structure if the magnitude of the concentrated load at point E is 393 kN