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- The rack for storing automobile wheels consists of two parallel rods A and B. Determine the magnitude of the force P required to begin extracting the wheel. The mass of the wheel is m. Neglect all friction. m 26° 67° B 39°EXERCISE 2.34 The cable, whose length is 300 mm, is fastened to the 500-g block. Clockwise rotation of the arm at a constant angular speed of 5 rad/s causes the block to slide outward. The motion occurs in the vertical plane, and the coefficient of sliding friction is 0.4. Determine the tensile force in the cable and the force exerted by the block on the walls of the groove when = 53.1301⁰. 300 mm -300 mm- (Hint: use polar coordinates to solve the problem. R is from the rotation center of the arm to the block and is as shown in the Figure. Let L be the total length of the cable and S be the length from the clamped end of the cable to the end of the arm.)2. The 100 – Ib force acts as shown on a 300 - Ib block placed on an inclined plane. The coefficients of friction between the block and the plane are us = 0.25 and Hk = 0.20. Determine whether the block is in equilibrium, and find the value of the friction for the friction force. 300 Ib 100 lb
- A 70 lb-bag of rice is being pulled by a person by applying a force F at an angle 0. The force required to drag the bag is F(0) = (70p)/(µsine + cose) where u = 0.35 is the coefficient of friction. Determine the maximum F by creating a vector for the angle with elements ranging from 5° to 35° and spacing of 0.01 and use the built-in function max. The maximum F is3. The rack for storing automobile wheels consists of two parallel rods A and B. Determine the magnitude of the force P required to begin extracting the wheel. The mass of the wheel is m. Neglect all friction. A m 26° 67°O OB 39°NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 50-lb ladder rests against a wall when the bottom begins to slide out. The ladder is 35-ft long and the coefficient of kinetic friction between the ladder and all surfaces is 0.2. Take 0 = 40°. Determine the forces at A and B. The force at A is The force at B is lb z lb &
- The tape shown slides around two fixed pegs, each of radius 35mm. If 10ON and 400N tensions were appliedm determine the coefficient of friction between the tap and the peg. T1 R = 35 mm 50 mm 50 mm R = 35 mm T2-The coefficient of friction between the inner pulley and the belt is 1/π. Find the maximum value of W that can be supported without rotating the compound pulley P or slipping the belt on the compound pulley P. Pulley B is frictionless. A 200 lb A WF Q4.A. An effort F is required just to move a certain body of weight 393 N up an inclined plane of angle 15'. The force F is acting parallel to the plane. If the coefficient of friction is 0.295, find the value of F. 15 W B. The following vector act at a point draw it 1- 40 N inclined at 24' N of W 2- 25 N inclined at 30 S of E 3- 15 N inclined at 20° S Of W 4- 20 N to the S
- 1. Find the least value of P required to cause the system of blacks shown to have impending motion to the left. Also find the normal forces on each block. The coefficient of friction under each block is 0.20 and angle alpha is 25 degrees. CIL 30 kN 10 kN 30What is the largest moment that can be applied without causing motion? The disk is 50 lb and the bar is 25 lb. The static friction is 0.6. Express your answer in in-lb (inch-pounds) with three significant figures. 5 in (5) force TOV M U from moving by exerting a horize 20 in 30° -ooges di 081 box of 08 styis mThe motorcycle weighs 151 kg and the driver weighs 64 kg. Dimensions: l1 = 0,31 m and l2 = 0,23 m Determine the support force on the rear tire. ( DISCLEIMER: I have allready tried to solve this question before and I have been getting 1307.10N as answer. Seems like this answer is not right.)