Machines: The mechanical press is used to crush small objects at E. If the vertical force P = 750 N is applied to the end of the handle, determine (A) the vertical force on the object at E, F, (B) the reaction force at pin A, RA, and (C) the reaction force at pin B, RB- 200 mm B -20° 60° 400 mm 159 P
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- A polyethylene tube (length L) has a cap that when installed compresses a spring (with under-formed length L1) by an amount ?? = (L1 = L). Ignore deformations of the cap and base. Use the force at the base of the spring as the redundant. Use numerical properties given in the boxes. (a) What is the resulting Force-in the spring, Fk? (b) What is the resulting Force in the tube, Ftl (c) What is the filial length of the tube, Lf? (d) What temperature change ?T inside the tube will result in zero force in the springThe figure shows a three-pin arch. Determine the horizontal component of the pin reaction at A caused by the applied force P.Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.
- A man who weighs 800 N, is climbing a uniform ladder that is 5.0 m long and weighs 180 N. The bottom of the ladder rests on the ground at A and leans against a frictionless wall at B. The ladder makes an angle of ? = 53.13° (3-4-5 right triangle) with the horizontal. The man pauses one-third of the way up the ladder. Find the normal force on the base of the ladder. Find the friction force on the base of the ladder. Find the minimum coefficient of static friction needed to prevent slipping at the base. Find the magnitude of the contact force on the base of the ladder. HINT: The components of the contact force FB at the base are the static friction force and the normal force. Find the direction of the contact force on the base of the ladder. HINT: The components of the contact force FB at the base are the static friction force and the normal force.The mechanism in the figure below is designed to maintain the horizontal position of the load while lifting it up.The pin located around the outer circumference of the r cm diameter pulley can slide frictionlessly in the channel on the ABC arm.The length of each of the ABC and DE arms is r cm and the weight of the lifted load is m kg.The mechanism is lifted upwards by pulling the rope wrapped around the pulley. The force P required to be applied to the rope to keep the load b cm above the ground and all the forces acting on the ABC arm Please specify. а ст P. с ст b cm а ст a=34cm ,b=68cm , c=20cm ,r=93cm ,m=110kgi li. In. O MMecnaniCS / مطلوب Untitled Section F1 F2 a F3 B. d F4 F5 Consider the following values: - a - 25 m; b - 5 m; a - 25 m; d - 5 m; F1 = 6 KN; F2 = 7 kN; F3 = 8 KN; F4 = 9 kN; F5 = 10 KN; a = 60°, 0 = 45°, B== 30° 1] What is the resultant moment of the five forces acting on the rod about point A? a) - 15.8 kN.m b) 74 kN.m c) 88 kN.m d) 59 kN.m e) 241 kN.m 0- 47 kN.m 2] What is the resultant moment of the five forces acting on the rod about point B? a) 218.8 kN.m b) – 117.8 kN.m c) - 131.6 kN.m d) 98.9 kN.m e) 125.4 kN.m f) - 224.2 kN.m 3] What is the resultant moment of the five forces acting on the rod about point C? a) 186.7 kN.m b) - 143.6 kN.m c) 114.6 kN.m d) - 217.9 kN.m e) 224.1 KN.m ) - 135.3 KN.m 4] What is the resultant moment of the five forces acting on the rod about point D? a) 217.8 kN.m b) – 139.5 kN.m c) 111.9 kN.m d) 206.9 kN.m e) - 127.1 kN.m f) 99.1 kN.m Activate 5] What is the moment of the force F2 about point E? Go to Setting f) 321.3 kN.m a) 121.7 kN.m…
- Ques (a) A small passenger aircraft uses hydraulics to control the movement of the ailerons. master cylinder Ø30mm F slave cylinder Ø100mm Four If a force of 1kN is applied by the pilot to the 30 mm diameter master cylinder and the slave cylinder is 100 mm diameter, what force would be applied to the ailerons? 3 FO T aa) If d = 1.0 m, 0 = 20°, and P = 1400 N, determine the magnitude of the normal reaction between the wall and the bar in Newtons. Neglect the weight of the bar and consider smooth supports. b) If d = 1.0 m, 0 = 20°, and P = 1400 N, determine the magnitude of the normal reaction between the roller and the bar in Newtons. Neglect the weight of the bar and consider smooth supports. c) If d = 1.0 m, 0 = 20°, and P = 1400 N, determine the required distance "a" in metres for the system to be in equilibrium. Neglect the weight of the bar and consider smooth supports.Please show the solution for the following: Force in the hydraulic cylinder AB = 17142.56 Magnitude of the pin reaction at O = 16594.22
- An L-shaped bar is supported by a bearing at A and a smooth horizontal surface at B. Take the value of Fto be 720 N. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 1.5m 1.5m 2m Determine the reactions at A and B. (Do not include a minus sign in your response.) The y component of the reaction force at A is [ NT. The z component of the reaction force at A is N✓. The reaction moment at A about the y axis is N-m . The reaction moment at A about the z axis is N.m O The y component of the reaction force at Bis NT.2- Find the applied force by the hydraulic cylinder in the truck shown graphically using KS: 1cm=1m, KF: 1cm=1 kN. W=25 kNA force of 1000 lb is applied to the 600-lb horizontal beam supported by a hinge at A and a roller at B on a smooth surface. If the pin support at A suddenly fails, calculate the magnitude of the force of the roller at B acting on the beam at that instant, by modelling the beam as a uniform slender bar. Present your answer in lb using 3 significant figures. 4 13 1000 lb -8 ft- B -2 ft-