1. A uniform 450 N ladder rests against a smooth (frictionless) wall, making angle 55° with the floor. What is the friction force on the ladder at its base? Foot of ladder Ladder
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- a) Draw free body diagrams of both the entire machine and b) each individual member. Label the diagrams with all relevant forces. You may assume all members are weightless. You do not need to solve for anything, just draw FBDs. The end of an excavator arm. The machine consists of 5 members: AB, BD, BC, ADE, and CE. The shovel is not weightless; it has a weight W that acts at the location shown. Connection between member ADE and the rest of the excavator can be modeled as a fixed support.A person of mass 73 kg is standing on a 25 kg horizontal board of uniform density that is 5.0 m long. The supported by vertical pillars at cach nd. The left pillar exerts 900 N on the board. A. What is the force by the pillar on right on the board? Show your wok. B. How far from the left end is the person standing? Show all work including a force diagram.Help!! Be sure answer all clearly!
- Complete all parts for upvoteThree boxes, A, B, and C, are placed on a frictionless surface as shown in the diagram below. B A If you push on box A with a force of 8.25 N, find the contact force (in N) between each pair of boxes. Here m, = 5.20 kg, m, = 4.05 kg, and m. = 1.50 kg. contact force between A and B contact force between B and C NAnswer in this format. Sketch: Given: Required: Solution: (Please answer in detailed (step by step). Indicate labels on what you are doing/performing, for example what formula is used) An electrical worker stands in the bucket that hangs from a pin at end D of the boom of the cherry picker in Fig. 1. The worker and bucket together weigh a total of 300 lb. Between A and C the boom weighs 1.1 Įb/in., and between C and D it weighs 0.8 Jb/in. Assume that AC and CD are uniform beams. Determine the normal force, the transverse shear force, and the bending moment that act at cross section E, midway between A and B. В Eaxial Eshear Emoment Ib Ib Ib Ib in 50" 40" D 10"10 INDICATE WHETHER POSITIVE OR NEGATIVE |20° Bucket 60° Fig. 1 (a) “Bucket truck."
- I need to solved this question quickly pleaseThe following forces are acting on the bracket below (a free-body diagram of the bracket is shown), that is hinged at point 1 (bottom left point). The bracket is in equilibrium (not accelerating). In this case we are pushing up on the far right hole with a force F3=62 lbf. What must the force at point 2 (F2 and give you answer as Ibf) be knowing it must act horizontally? F2 3 inches 1,х Fiy 12 inches F3Lipkin is standing on a scale while leaning with his hands on a wall at an angle of 600. Draw a free body diagram. If Lipkin’s wt. is 100 lb.s normally, what should the scale read in this case?
- Question is in the picture.Answer and explain correctly. I will rate accordingly with 3votes.A) what direction does friction act on at point A? B) a ladder weighs 20lbs on a rough floor (us=.8) and against the smooth wall at point B. Determine the horizontal force P the man must exert in the ladder in order to cause it to move. Also determine whether it slips or tips