40° T2 15° 25 cm 30 сm 1.

Calculate the forces in members AB, BH, and BG. Members BF and CG are cables which can support tension only. Forces are positive if in tension, negative if in compression. A 5m B 5 m 54 54 Answers: AB = i BG= BH = i 8 KN H i G 16 kN c 5 m 54° 54% E D kN kN kN

A ski resort chair lift has towers spaced 44 m horizontaly appart. The upper tower is 15 m higher than the previous tower. If the chairs are 14 m horizontally appart and the first chair is 5 m past the lower tower what is the tension on both ends of the cable? The mass of each chair is 350 Kg and the height above the lower tower for each chair's attachment to the cable is 0.55624 m, 4 m, 9.33 m. Lower Tower Cable Tension = Upper Tower Cable Tension = KN. kN.

Question 3) The position of the head and neck and the forces acting on the head are shown in the figure. the center of gravity of the head with a mass of m-9 kg is located at point C. Neck extensor muscles November 21, 2016 by making a y=55° angle with the vertical from point B to the skull, the neck muscle force with a intensity of FmNovember85N is affected. The center of the atlantooccipital joint is located at point B takes. For this flexion position of the head, F, which makes an angle a with the bed from point A, is influenced by the joint response force. (g take the gravitational acceleration as 9.81 m/s2.) According to this; a) Calculate the angle a where the Fjeklem reaction force is built with the horizontal. b) Calculate the Fjeklem reaction force. (Write your result in unit N.) W FM

1. The rectangular plate is suspended from verti- cal cables and is in equilibrium. The mass, m, of the plate and the dimension d are given. The weight of the plate acts through the center of the rectangle. What are the tensions T4, T; and Tc in each of the three cables? 1.5d B 2.5d 10.75d d H

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Calculate the forces in members AB, BH, and BG. Members BF and CG are cables which can support tension only. Forces are positive if in tension, negative if in compression. 6 kN 10 kN 5 m в 5 m c 5 m D 55 55 55° 55% H G Answers: AB i kN BH = i kN BG = i kN II

A block and sphere are connected by a cord that passes over a pulley as shown. Neglect friction and assume the cord is massless. Take m1 = 2.00 kg, m2 = 7.65 kg, and ? = 49.0°. A triangular structure is oriented such that its base rests upon a horizontal surface, its left side is perpendicular to its base, and its right side forms an incline of angle ?. A pulley is attached to the structure's apex. Two objects are connected by a cord that passes over the pulley. A circular object labeled m1 is attached to the to the left end of the cord and hangs freely. A rectangular object labeled m2 is attached to the end of the cord and rests upon the incline. (a) What are the magnitude of acceleration (in m/s2) of the block and sphere? _____m/s2 (b) What is the tension (in N) in the cord? (Enter the magnitude.) ____N (c) What is the speed (in m/s) of each object 2.25 s after being released from rest? ____m/s   (d)What If? If the incline under m2 is rough, what is the minimum value…

Six masses  m1, m2, m3, m4,  mM and mL, shown in figure below  are to be completely balanced. The masses are :  m1= 20.11 kg, m2 = 2 kg, m3 = 3 kg, m4= 6.3 kg, mM = 10.23 kg. The radii are : r1 = 0.1m, r2 = 0.12 m, r3 = 0.14 m, r4 = 0.12 m, rM = 0.1 m, rL = 0.5 m. The  angles shown in the figure are: θ1 = 12º, θ2 = 103º, θ3 = 135º, Φ = 32º.  The distances between different planes , shown in the figure are as follow: l1 =0.8 m, l2 = 0.7 m, l3 = 2.44 m. we need to find lm, l4 , mL and the angle α

2 m B 6 m- X 6 m 2 m 6 m -10 m- 4 m 12 m 2 m y GIVEN: PLATE MASS IS 150KG ASK: WHAT IS TENSION OF EACH CABLE AT EQUILIBRIUM