4. Determine the force in members EH and GI. В E e H lb M 8 ft N A D G la L 15 ft 15 t 15 15 15 t 15 ft 12 kips 12 kips 12 kips OIFICALA

A crane hoisting system has the following transfer function. 1 s4 +5s3+s² + 7s+ 11 Identify the correct state-space form of the crane hoisting system from the list given below: O a. x 000 -11 -7 -1 -5 1000 1007 00 0 x u; y = [1 0 0 0]x 1 O b. -5 0 0 0 -1 1 x = -7 0 100 0 x + u; y = [1 0 0 0]x 0 11 0 0 1 0 0 x 0 -11-7-1 Od. None of the above 1007 00 1 0 x + u; y = [1 0 0 0]x 0 1 -5]

Aluminum is a poor material to reinforce concrete with, especially as opposed to steel.  There are five primary reasons why; Cost, strength, and stiffness are the first three.  Please name the fourth and fifth reasons and then please explain in detail what would occur if these two were done.

ور E 8 gi 10¹ I 45⁰° 51 с 1000 155 A F 187 2000 15's 6' CH J G B Calculate Forces in 7 500 lbs IJ FD CB H 45° uid A 2000lb's Kild