You are leaning your 8.0 ft, 18.0 lb ladder against the wall in your garage. There are 2 rubber foot paddles on the bottom of the ladder, and your garage floor is concrete. The static friction between the rubber and concrete is μs = 0.600. What is the maximum distance from the wall to the rubber foot paddles, which you can lean your ladder without it slipping? Assume the wall is smooth. The maximum distance = ft

Engineering Mechanics ( Statics )

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The diameter of two pulleys are (0.3m)and (0.2m), center distance (1m).if we use open belt drive. Determine: 1- the length of V- belt (2ß = 60°). 2- the contact angle between belt and smaller pulley. 3- the horse power, if the smaller pulley turn with speed (400r.p.m) and the tension force in tight side (T1=90ON), coefficient of friction u=0.3 4- the speed of large pulley.

What is the normal force between the crate and the wedge? What is the smallest force P needed to pull out the wedge?

Physics Problem about Torque and forces. Show the location of the axis of rotation and r for each force that produces torque in the diagram. Also, check calculations, I am off by 1 degree.

Torque Problem The diagram below shows the lower leg being held in a stationary. The torque acting to turn the leg in a clockwise direction is being generated by the weight of the leg and the weight of a barbel attached to the ankle. Using the information provided calculate the magnitude of the quadriceps force. LOWER LEG IN ANGULAR EQUILIBRIUM 15° Quadriceps muscle force 0.05m 0.14 m 50° 0.30m 90 Newtons 120 Newtons Show your calculations step by step here. Includes diagrams and short comments to explain your approach to solving the problem.

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