A) Find F1, F2, and F3 in rectangular coordinates. B) Find the force F4 required to maintain the particle in 3D equilibrium. C) Find the direction cosine angles for the force F4.
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- III. Determine the internal normal force, shear force, and bending moment at point A and point C in the cantilever beam under a linear-distribution force. 200 N/m A B →X 5 m 5 mA uniform ladder is 10m long and weighs 400 N. It rests with its upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30? angle with the horizontal. The magnitude of the force exerted on the peg by the ladder is: A. zero B. 200N C. 400N D. 470N E. 670NCalculate the reaction on the supports, draw a shear force diagram, and a bending moment diagram.
- Determine the magnitudes of the force R and couple M exerted by the nut and bolt on the loaded bracket at O to maintain equilibrium. 2.5 KN Answers: R= 57 i M = i 170 mm. 220 mm 180 mm 1.7 KN KN kN-mA rod is laying on top on two poles. The rod is uniform and has a length of 3.22 m. The left pole is at the left end of the rod and the right pole is a 0.41m (d-0.41m) from the right side of the rod. What is the ratio of the forces F/FR on the rod due to the two poles?2) Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by vertical cables at each end to paint the second floor. The board has a mass of 21 kg. Ray (70 kg) stands 1.0 m from the left cable. What are the forces that each cable exerts on the board? Ability A1: Can extract the information from representation correctly Needs Work Some of the information is extracted correctly, but not all of the information. For example, physical quantities are represented with numbers there are no units. Or directions are missing. Subscripts for physical quantities are either missing or inconsistent. Adequate All necessary information has been extracted correctly and written in a comprehensible way. Objects, systems, physical quantities, initial and final states, etc. are identified correctly and units are correct. Physical quantities have consistent subscripts. Adequate The diagram contains no errors and each force is labeled so that it is clearly understood what…
- A ladder of length L and mass m makes a θ degree angle with a wall. The center of mass of thisladder is 1/3 of the way up from the bottom (it gets narrower towards the top). A firefighter of mass M climbs the ladder until he comes to the halfway point. Treat the wall and frictionless but the ground ashaving a friction force on the ladder. a) Draw this situation and label forces so you may set up thestatics equations. b) Find the force on the ladder due to the ground (both x and y components) and the force on the ladder due to the wall.Why did you use Tan for the direction? and by chance could you draw a diagram of what this would look like? Like the particle and those two torquesA uniform horizontal shelf of width L and mass m is held to a wall by a frictonless hinge and by a string at an angle of , measured from the shelf. The string is connected by the shelf at a distance of x from the wall. What is the tension in the string and what are the horizontal and vertical components of the hinge's force?
- The figure shows a uniform square plate from which four identical squares at the corners will be removed. Where is the center of gravity after the removal of squares 1, 2 nd 3?Immersive Reader a) origin b) first quadrant c) third quadrant d) x axis to the right of the origin6A horizontal 4.0 m long 5.0 N uniform bar at one end is attached to a wall by a frictionless hinge; and at the middle of the bar there is a vertical cable pulling down 7.0 N, and at the middle of the bar there is also a cable that is at 45 ° to the horizontal pulling up as shown. ii) What is the magnitude of the horizontal component of the force on the bar due to the hinge?