(b) The 0.31 Kg mass slides at the shown frictionless wire that lies in a vertical plane. What is the minimum value of distance b to reach mass to point B at the end of wire. Free length of spring is 0.08 m and stiffness of spring is 120 N/m.
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- Draw the FBD for the bar described in Prob. 5.1 if the bar is homogeneous of mass 50 kg. Count the unknowns.Two blocks are connected by a (massless) string that passes over a (massless, frictionless) pulley as shown. Assume the interface between block A and the horizontal tabletop to be frictionless. pulley If mA = 6.3 kg and mg = 8.8 kg, what is the tension in the string? Express your answer in N, to at least one digit after the decimal point.A sheep with a mass (m) 50 kg is hung on an animal scale system which consist of a helical spring of negligible mass. The stiffness (k) of the spring is 60 kN/m. During the hanging operation, the spring and the sheep are displaced vertically by 20 mm below the equilibrium position. 1.1. Draw a free body diagram and proof that a total length (L) of the scale system 2mg can be expressed as: L = k + Lo, where as Lo is the unstretched length of the spring. 1.2. Calculate the frequency of natural vibration of the system. 1.3. Calculate the velocity and acceleration of the sheep when it is 10 mm below the rest position.
- The structure consists of a spring CD and a solid member ABC with a slot at B. The peg at B fits loosely into the slot at B and can hence be interpreted as a smooth support. The unstretched length of the spring is 80 mm. 50 mm 150 mm 50 mm A D C B k = 600 N/m 1.1 Draw separate free-body diagrams of member ABC and the spring CD. 1.2 Comment on the existence of two-force members and three-force members in this system. 1.3 Determine the reactions at A and B on the member ABCThe uniform 18kg Bar OA is held in the position shown by a smooth pin at 0, and the cable AB which is in tension as shown. DA 1.5 m 60° 1.2 m What are the components of the Weight Vector (W), which is used to represent the weight of the bar OA W =Wi – Wyj (Answer in Newtons) Wy Choose... Choose... Next page us pageThe level of a common steelyard without hook connections weights 7kg and acts at 5cm to the left of the fulcrum. The hook which carries the load,weights 4kg and is also attached on the left-hand side of the fulcrum at a distance of 12cm.if graduation mark 72cm from the fulcrum reads 50kg. Find (a).the weight of rider (b). How far is the zero graduation from fulcrum (c).What is the movement of riderper kg of graduation?
- 4 A ski resort chair lift has towers spaced 38 m horizontaly appart. The upper tower is 15 m higher than the previous tower. If the chairs are 12 m horizontally appart and the first chair is 5 m past the lower tower what is the tension on both ends of the cable? 1:37:01 Book The mass of each chair is 350 Kg and the height above the lower tower for each chair's attachment to the cable is 0.58537 m, 4 m, 9.4244 m. Lower Tower Cable Tension = Upper Tower Cable Tension = kN. KN.Two bodies is connected in point C, are supported by rigid underlay at an angle α. F is the force acting on right body. We are considering the weight of bodies G and the friction between the bodies and the underlay. Length of bodies l=2000mm. G1= 160 N, G2= 180 N, α = 30° Find: 1.) Find the magnitude of the force so that it slips on the underlay 2.) Draw the dependence of the force F as a function of the coefficient of friction f (in the range 0-0.5)A weighing machine consists of a 2 kg pan resting on a spring. In this condition, the pan resting on the spring, the length of the spring is 200 mm. When a mass of 20 kg is placed on the pan, the length of the spring becomes 100 mm. For the spring, the un-deformed length 10 and the spring constant k (stiffness)
- Those data are for ouestions 12.136 14. The slender 8-kg bar AB is horizontal and at rest. The spring has an unstretched length sọ of 1 mand a spring constant of 15 N/m. the length of the bar AB is l-1.5m - - Find the elastic energy due to the spring when the bar has rotate clockwise 0 - 45° after being released. Give your answer with 2 decimals.Stiller Düzenleme 2) A uniform brass plate with area of 18 x 18 m? has mass of 41 kg which is hold by three Üst B cables in the horizontal position as shown. Please calculate the tension in each cable. B. 6 m. 9 m. 12 m. 9 m. ANSWERS TA (N) (10 pts) Te (N) (5 pts) Tc (N) (5 pts) F8 F9 F10 F11 F12 Insert Prnts HILO 8.An elastic string of natural length 4l and modulus of elasticity 4mg is stretched between two points A and B which are on the same level, where AB =4l. A particle attached to the midpoint of the string hangs in equilibrium with both portions of the string making 30° with AB. What is the mass of the particle?