Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when 0=30° and P=100 lb * H, = 0.30 %3D Hk = 0.20 250 lb
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- The single-plate clutch transmits the torque C from the input shaft on the left to the output shaft on the right. Compression springs between the clutch housing and the pressure plate provide the necessary pressure on the friction surface. The splines prevent the clutch plate from rotating relative to the output shaft. If Ri=4 in. and R0=9 in., determine the total force that must be applied to the pressure plate by the springs if the clutch is to transmit a torque of C=56lbft when it is new.Q5 Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when 9=40° and P-400 N. 800 N H=0.20 Hk=0.15 23°45 lb 4=0.40 4 = 0.30 Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when P= 100 lb. 40
- 3. Determine whether the block shown is in equilibriumand find the magnitude and direction of the friction force when 0= 40 and P=400 N P 800 N Hy = 0.20 Hk = 0.15 25°3. Determine whether the block shown is in equilibriumand find the magnitude and direction of the friction force when 0=25 and P=750N. 1200 N Hs = 0.35 Hk = 0,25Home Work: Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when us=0.20, uk=0.15 0=45° and P=380N P 800 N 25° 800 N 25⁰
- Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when 0 = 30° and P= 45 lb. Given: μs = 0.30 and k = 0.20. 250 lb The block is not in equilibrium and moves down. True The magnitude and direction of friction force is 86.03 lb 7217№ 25° w 10=40° W-355 N a. Draw a Free Body Diagram b. Determine the coefficient of friction needed for the box to stay in equilibriumDetermine whether the block shown below is in equilibrium, and find the magnitude and direction of the friction force. Draw the Free-body diagram and show all calculations. Given: coefficient of static friction u, = 0.30 and coefficient of kinetic friction u = 0.25. H=0.30 600N H=0.25 700N 30
- 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(ii) The block on the left incline is 6kg. Find the mass of the block on the right incline so that the system is in equilibrium (no acceleration). All surfaces are frictionless. (ii) Determine the tension in the string if the coefficient of static friction is 0.4. 6 kg 0210 60° m = ? 25° boosts zi sqon A odTgd of 30 laups i ongeQ2/ As shown in fig. the beam AB is subjected to a uniform load of 200N/m and is supported at B. Find the reaction at B. If the coefficients of static friction at B are μB = 0.2, determine the force P needed to pull the post out from under the beam. Neglect the weight of the members and the thickness of the beam. 4 m 200 N/m B 0.75 m I 10.25 m