Determine the maximum weight, W, of the hanging block B to maintain equilibrium of the system given below. Block A weighs 100 N and t coefficient of friction between block A and the incline and that between the cord and cylindrical support surface is 0.287. A 30
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- Determine the maximum cylinder weights W for which the system is in equilibrium. The coefficient of friction between the m 165-lb block and the incline is 0.20 and that between the cord and cylindrical support surface is 0.30. μ = 0.20 m 20° μ = 0.30 WDetermine the maximum cylinder weights W for which the system is in equilibrium. The coefficient of friction between the m 189-lb block and the incline is 0.20 and that between the cord and cylindrical support surface is 0.30. μ = 0.20 m 20° μ = 0.30 P WSolve Equation (1) for R (in N) and substitute numerical values: R = Finalize The positive value for the angle 0 indicates that our estimate of the direction of R was accurate. Had we selected some other axis for the torque equation, the solution might differ in the details ---Select-- . For example, had we chosen an axis through the center of gravity of the beam, the torque equation would involve both T and R. This equation, coupled with Equations (1) and (2), however, could still be solved for the unknowns. Try it! EXERCISE A person with weight 900 N stands d = 4.00 m away from the wall on a f = 6.00 m beam, as shown in this figure. The weight of the beam is 2,000 N. Define upward as the positive y-direction and to the right as the positive x-direction. 30° d Hint (a) Find the tension (in N) in the wire. (b) Find the horizontal component of the hinge force (in N). (Indicate the direction with the sign of your answer.) (c) Find the vertical component in (N). (Indicate the direction…
- Consider the figure below. (Let w, = 150 N and w, = 51.5 N.) W1 W2 (a) What is the minimum force of friction required to hold the system of the figure abdve in equilibrium? N (b) What coefficient of static friction between the 150-N block and the table ensures equilibrium? (Enter the mìnimum acceptable coefficient of friction.) (c) If the coefficient of kinetic friction between the 150-N block and the table is 0.172, what hanging weight should replace the 51.5-N weight to allow the system to move at a constant speed once it is set in motion?A uniform 4.0-m plank weighing 200.0 N rests against the corner of a wall, as shown below. There is no friction at the point where the plank meets the corner. (a) Find the forces that the corner and the floor exert on the plank. (b) What is the minimum coefficient of static friction between the floor and the plank to prevent the plank from slipping?Consider the figure below. (Let w, = 150 N and w2 = 39.0 N.) W2 (a) What is the minimum force of friction required to hold the system of the figure above in equilibrium? N (b) What coefficient of static friction between the 150-N block and the table ensures equilibrium? (Enter the minimum acceptable coefficient of friction.) (c) If the coefficient of kinetic friction between the 150-N block and the table is 0.130, what hanging weight should replace the 39.0-N weight to allow the system to move at a constant speed once it is set in motion?
- One end of a uniform 3.40-m-long rod of weight F, is supported by a cable at an angle of 637° with the rod. The other end rests against the wall, where it is held by friction as shown in the figure below. The coefficient of static friction between the wall and the rod is ,-0.565. Determine the minimum distance x from point A at which an additional object, also with the same weight can be hung without causing the rod to slip at point A.The uniform block shown in the figure weighs 200 lbs. It is pulled up the incline by the force P = 300 lbs. Determine the maximum and minimum values of d so that the block does not tip over as it slides up the incline. The coefficient of kinetic friction is 0.20. 4 LLL d A' 2' 3 P = 300 lbs.Standing on a Horizontal Beam A uniform horizontal beam with a length of = 9.10 m and a weight of W, = 225N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of = 45.0° with the beam (see figure). A person of weight W,- 650 N stands a distance d = 2.25 m from the wall. Find the tension in the cable as well as the magnitude and direction of the force exerted by the wall on the beam. (a) A uniform beam supported by a cable. A person walks outward on the beam. (b) The force diagram for the beam (c) The force diagram for the beam showing the components of RandT. Rsine Tsin ở Reos e w, Tcos d w, SOLUTION Conceptualize Imagine the person in figure (a) moves outward on the beam. It seems reasonable that the farther he moves outward, the larger the torque he applies about the pivot and the Select the tension in the cable must be to balance this torque. Categorize Because the system is at rest, we categorize the beam as a rigid object -Select-…
- The ring is subjected to three forces. Determine the direction ? of ?⃑2 and magnitude of ?⃑3 so that the ring is in static equilibrium.2.30 m long and has a mass m = 15.0 kg. It leans at rest against a smooth wall making an angle 0 = 29.0° with the wall as shown on the left. The coefficient of static friction between the floor and the ladder is u, = 0.675, while the coefficient of kinetic friction is u, = 0.439. What is the 2. A ladder is L force between the wall and the ladder? Hsi HkThe Ladder weighing 185 N is resting against a vertical wall as shown in the figure below. The top of the ladder (Point By s 14 m above the ground and the bottom making an angle of 60 degrees to the ground. The coefficient of static friction e between the ladder and the horizontal ground is 0.45 and with respect to the wall is 0.25. If s painter having a mass of 930 kg starts to climb the ladder. Determine the following: ta) Draw the free body diagram (b) How far up the painter will be reached S (meters) before the ladder starts to slip? B 60 lease answer in the space below and submit the complete solution in the provided link: Determine the Normal Force at Point A na= Determine the Normal Force at Point B nb= N Determine the distance S= meters