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- An 800 N-m couple is applied to the flywheel as shown. The coefficient of belt friction is 0.20. The minimum force P required to prevent rotation of the flywheel is applied. a.) Which Tension is larger, Ta or Tb? Explain b.) What is the angle of contact in radians? c.) What is the value of the ratio Ta/Tb? Please answer these , with FBD and solutions please.A shaft is used to transmit 200 kW at 300 rpm by means of a 200 mm diameter sprocket. Determine the force tangent to the sprocket in kN.Compute for the forces P and Q if the force in member CD is equal to 6000 lb (C) and in member GD is equal to 1000 b (C). Show solution to answer P = 5170 & Q = 370
- Dani, who weighs 65 kg, is lifting a box that weighs 11.52 kg. If Dani's back forms an angle of 70 degrees with the horizontal plane and the distance from the object to the center of Dani's body is 0.6 m, then answer the following questions. a. Create a free body diagram of the above condition and apply the sign convention for forces and moments. b. Calculate the magnitude of the compression force (F compression) and shear force (F shear) generated. c. Analyze whether the work is safe to perform.Two loads P1 and P2 resting on two inclined plane and connected by a horizontal chord AB as shown in figure. If P2 = 1200 kN determine the maximum and minimum value of P1 and tension in chord AB so that the static equilibrium exist the angle of limiting friction is 23o at all rubbing surfaces.Compute the magnitudes of all forces acting on member CDE of the frame. answer: Pbc= 10.0 kips, Pbd= 20.0 kips, E= 19.70 kips
- The system below is in balance. Knowing that the weight of the bucket is 900 N, determine approximately the pulls on the TED, TEB, TBA and TBC cables in newtons? mark the correct alternative (image alt22)A 50 kN weight is supported by a cable and a pulley attached at frame BAC. Find forces AB and AC. Neglect the size of the pulley which is frictionless. Draw the FBD.Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.
- The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the smallest force P and the corresponding angle that would cause impending sliding of the block. The angle of static friction between the block and the ground is s.Draw the FBD of the entire frame, assuming that friction and the weights of the members are negligible. How many unknowns appear on this FBD?The force P applied to the brake handle enables the band brake to reduce the angular speed of a rotating drum. If the tensile strength of the band is 3800 lb, find the maximum safe value of P and the corresponding braking torque acting on the drum. Assume that the drum is rotating clockwise.