give me correct answer!«<«<«<«<«<«<«< Calculate the maximum bending moment in a simply supported beam with a span of 6 meters, subjected to a uniformly distributed load of 5 kN/m. Use the formula for maximum bending moment M_maz = (WL ^2)/8 where w is the load per unit length and L is the span of the beam. >>>>>>>....
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- In Example 14.3, we found that one of the steel cables supporting an airplane at the Udvar-Hazy Center was under a tension of 9.30 103 N. Assume the cable has a diameter of 2.30 era and an initial length of 8.00 m before the plane is suspended on the cable. How much longer is the cable when the plane is suspended on it?The 465-kg uniform I-beam supports the load shown. Determine the reactions at the supports. Answers: Ax= Ay= By= i -5.9 m- 3.1 m 200 kg zzzA uniform rod AB of weight 500 N and length 4.0 m is supported at two points P and Q as shown below. AP = QB = 0.80 m. A man of weight 800 N is walking from Q to B. Find the maximum %3D %3D distance x from Q the man can walk before the rod topples about Q. P Q A 1 -| × |- O 0.4 m O 0.8 m O 0.75 m O 0.6 m
- The figure shows a conical object does not qualify an object at the lower end, the rope moves in a cone-like appearance when horizontal (the rope describes an object at the lower end). The object has constant modulus capability. The object's mass is m, the string has length L and a has radius r. Neglect air resistance. Consider the following statements:i) the work of the weight force is zero.II) the work of the pulling force on the string is zero.III) the kinetic energy of the system does not change. Of these statements, only true are: a) Ib) IIc) IIId) I and IIe) II and IIIf) I and IIIg) Allh) NoneFigure below shows a two-member truss supporting a block of weight W. The cross-sectional areas of the members are 800 mm2 for AB and 400 mm2 for AC. Determine the maximum safe value of W if the working stresses are 110 MPa for AB and 120 MPa for C 60° 40°/ W 95,215.23 KN 87,721.45 KN 98,134.53 KN 90,675.78 KNAn athlete begins with the arm in a relaxed upright position OA, in which the elastic band is not stretched. Then he performs an abduction movement leaving his arm in the horizontal OB position. The elastic modulus of the band is 80.0 N / m, that is, 80.0 N of force is required to stretch the band for each additional meter of elongation. If the entire limb has a mass of 2.50 kg and its center of mass is located 250 mm from the shoulder joint. Determine the magnitude and direction of the moment of force with respect to the shoulder joint.
- 6-23. The compound beam is subjected to a uniform dead load of 2 kN/m and a uniform live load of 1.5 kN/m. Determine (a) the maximum negative moment these loads B develop at A, and (b) the maximum positive shear at D. Assume B is a pin and C is a roller. 2 m 2 m 2 mTwo wires have lengths in the ratio 4:3 diameters in the ratio 2 : 1. Calculate elongations produced when they are subjected to same stretching force. Their Young's moduli are in the ratio 1:2. tG+4* ) A timber beam consists of three 50 x 200-mm planks fas Ltened together to form an I-beam 200 mm wide x 300 m deep, as shown in Fig. P7-4. If the flexural stress at point Ad the cross section is 7.5 MPa (T), determine a. The flexural stress at point B of the cross'section b. The flexural stress at point C of the cross section. c. The flexural stress at point D of the cross section. 200 mm A 50 mm 100 mm 200 mm В ND 50 mm 25 mm Figure P7-4
- Draw the shear and moment diagram for the beam shown and find the maximum moment. 7N A B C 6m 4mDetermine the moment M that will produce a maximum stress of 70 MPa on the cross-section.Without fracture of the femur, determine the maximum height, in cm, from which a 70-kg woman can jump onto just one of her heels, where bare foot and where keeping her leg straight. Assume that all of her stored gravitational potential energy is transfered to strain potential energy in her femur. Take the following values : her femur length, l = 60cm, her femur area, A = 3.5cm2, Youngs modulus for her bone, Y = 1.2x1010 N/m2, and the rupture stress for her bone is σmax = 7.0 x 107 N/m2