1.Using an 9.34 in long wrench, the bolt has now been unscrewed a length of 1.10 in. The force of F={-52.7i +7.00j +6.00k} lb is still applied to the wrench at point B. What is Mx, the moment of force at point O about the x axis?
2.Crane lifts a 700 kg box with an intial upward accel. of 3m/s^2. determine forcein cables AB and CB due to this motion.
3.Explain the difference between materials considered to have “homogeneous” and “isotropic” material properties. Give examples of materials that are considered isotropic but not homogeneous and others that are considered homogeneous and anisotropic.
4.In engineering notation, ten is raised to specific numeric powers. List the specific numeric powers from -12 to +12 to which ten may be raised.