calculate the force under the light roller B of the 17.4-kg slender bar AB.
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- The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction.4. The 0.25 kg alider A is pushed along the circular bar by the slotted bar. The eireular bar lies in the horizontal plane. The angular ponition of the slotted bar is - 10t2 rad. Determine the Bagnitude and direation (measured from the horizontal) of the external force exerted on the elider at t- 0.2 .The crank OA rotates in the vertical plane with a constant clockwise angular velocity wo of 2.0 rad/s. For the position where OA is horizontal, calculate the force under the light roller B of the 13.9-kg slender bar AB. 0.30 m 0.86 m 0.64 m Answer: FB N i
- The L-shaped rod AOCD has an 80 kg mass hanging from it at B. The rod is leaning against a smooth wall at A. Point B is half way up OA. There is a journal bearing at C and a thrust bearing at D. They are properly aligned. A force F is pulling in the x-direction at B. Just as the rod comes off of the wall at A, what is the magnitude of the force F. 1 m B F 1m0.66 m B 0.31 m wo 0.94 m The crank OA rotates in the vertical plane with a constant clockwise angular velocity?0 of 4.9 rad/s. For the position where OA is horizontal, calculate the force under the light roller B of the 17.1-kg slender bar AB.x Incorrect The crank OA rotates in the vertical plane with a constant clockwise angular velocity wo of 4.8 rad/s. For the position where OA is horizontal, calculate the force under the light roller B of the 17.5-kg slender bar AB. 0.56 m 1.09 m 1.43 m B. 22.8 Answer: FB
- Equilibrium of Concurrent Force System. The piston of a reciprocating engine exerts a force of 175 kN on the crosshead when the crank is 45° (angle B) past TDC. If the stroke of the piston is 800 mm and the length of the connecting rod is 1.80 m, find the guide force and the force in the connecting rod. Hint: 1=½ stroke; Angle o may be solved using Sine Law in AACO. K= Compressive Force in the connecting Rod E= Piston Effort 70 120 F, = Guide Force Fig. P-1 Fig. P-2 a Tools: EF cos0=0; F sin .=0. R = Ev)* + (E#): ; R 771 =- : tane = sin A sin B sin CConsider the system of two blocks. Thereis no friction between block A and the tabletop. The mass of block B is5.00 kg. The pulley rotates about a frictionless axle, and the light ropedoesn’t slip on the pulley surface. The pulley has radius 0.200 m andmoment of inertia 1.30 kg . m2. If the pulley is rotating with an angularspeed of 8.00 rad/s after the block has descended 1.20 m, what is themass of block A?2. Find the horizontal force P to start the motion of any part of the system of three blocks resting upon one another as shown. The weight of the blocks are W-300 KN, Ws= 100 KN and Wc =200 KN. Between A and B μ=0.30, between C and B, μ =0.20 and between C and the ground, p=0.10. 1 sni brod nog 02.0-4 B C 05.0-4 Solution: tamos quoy worla bre sosia asquar 005 300 en of jells400 N₁-300 F3 N-300- N₂=300 Assuming B and C will not move. F₁ = 300 (0.30) F₁ = 90 kN ne à bns A zelboß 1 P = 90 kN es ensla berb hebnu 02.0- y elin 05.0= q V in Celpris orllanimetsa MX 008 Assuming C will not move: al 1st F2=400 (0.20) = 80 kN OTE Bm ribirte F₂ vica Assuming the three blocks move: F3 = 0.10 (600) F3 = 60 kN P=60 KN Least force is 60 kN.
- A spring with squared and ground ends has 16 active coils diameter of 6 mm and pitch of 10 mm . If spring rate is 85 KN/m , determine the solid force?Statics of Rigid Bodies (Round off to two (2) decimal places. Include negative sign (-) if the answer is negative.) The line of action of the 3000 lb force runs through te points A and B as shown in the figure. Determine: y scalar component of FThe homogeneous bars have a mass as follows: bar AC has a mass of 7 kg, bar ABhas a mass of 10 kg, and rod BD has a mass of 2 kg. In the drawn position, therod AC has an angular velocity of 4 rad/s and an angular acceleration of 2 rad/s2, both clockwise.Determine the magnitude of the moment M acting on the member AC. Give all the equations neededto solve this question without calculating it