eequu Fign 1: Figure 1.1 shows a rod, AB, 1 m long, and with weight W, which is held in quilibrium by a vertical wall, the horizontal floor and by a cable CB (see figure 1.1 for details). (a) Assume there is no friction, derive all the external forces acting on the rod. dails). (b) Assume there is friction at the wall and at the floor, with coefficient of static friction, us=0.3, and assume that the rod is under impending motion conditions, derive all the external forces acting on the rod. C 15⁰ 30⁰ Figure 1.1

An engineer trying to determine whether her crane will tip over when attempting to lift a 13K load. Her crane has a 15K chassis and 35K counterweight. Assume all other parts of the crane have negligible weight. Answer all questions relative to the rotation point. How much torque is caused by the load? How much torque is caused by the chassis? How much torque is caused by the counterweight? What is the normal force on the rear (right) outriggers? What is the normal force on the front (left) outriggers? *each box in picture = 5 ft

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A sled of mass 500kg sits at rest on a rough slope that is inclined at 10* to the horizontal. The coefficient of friction between the slope and the sled is 0.3. The sled is held in place by a wire attached to a winch. The tension in the wire is TN. a) Find the maximum possible value of T.   A load of mass mkg is added to the sled, and tension in the wire is increased to 5000N in order to pull the sled and load up the slop. Given that the sled and load are pulled a distance of 100m in 80seconds, b) Work out the value of m

You need to move a cubic crate across a rough floor. You pull the crate horizontally using a rope with force F, as shown in Figure 1. The weight of the crate is 700 lb:, its density is 180 lbm/fts, and the coefficient of static friction between the crate and the floor is 0.57. Write an expression for the maximum static friction force fmax (in lb:) as a function of the mass m of the crate. Use Excel to plot fmax(m). Calculate the average pressure of the crate on the floor, in psi. Calculate the minimum force F necessary for the crate to start moving, in lb;. F Figure 1. Moving a crate on a slope.

Describe classification of force. Tell about principle of transmissibility. What are rectangular components of force? Identify the rectangular Q: 1 Q: 2 components of force in two-dimensional system. Q: 3 Differentiate between moment and couple? Describe moment and couple in three-dimensional system. Describe the methodology used to formulate and solve statics problems. Determine the weight in newtons of small aeroplan model whose mass is Q: 4 |Q: 5 1800 kg. Convert the mass of aeroplan model to slugs and then determine its weight in pounds.

Suppose you used an ideal pulley of the type shown in image (c) in the figure below to support a car engine of mass 155 kg. The pulley system's mass is 5.90 kg. (a) What would be the tension in newtons in the rope, assuming you pull straight up on the rope? N (b) What force in newtons must the ceiling supply?___N (a) MA = 2 (b) MA 3 (c) MA-4 W

a 50 KG TRUCK ENGINE IS LIFTED USING THE SETUP SHWON BELOW. aSSUMING THAT THE PULLEYS SHOWN IN THE DIAGRAM ARE FRICTIONLESS, WHAT FORCE (p) MUST BE APLIED TO THE CABLE TO HOLD THE ENGINE IN THE POSITION SHOWN BELOW WITH d = 1mm? (Hint drawl free body diagram of pullys supporting the engine block) please show all work thank you!

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