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A 75-lb stoplight is suspended between two poles as shown in fig p3-27. Neglect the weight of the flexible cables and plot the tensionin both cables as a function of the sag distance d(0<d<8ft). Determine the minimum sag d for which both tensions are less than a) 100 lb, b) 250 lb c) 500 lb.
the traveling crane consists of a 5-m-long beam having a uniform mass per unit length of 20kg/m. The chain hoist and its supported load exert a force of 8 kN on the beam when x=2m. draw the shear and moment diagrams for the beam.
Describe the main kinds of social mechanisms that are used by people to communicate and collaborate.
If the critical resolved shear stress is 10 MPa, what is the yield strength?
What is the premise of the Heuter-Volkmann Law? 7. What did Pauwels propose for stresses associated with tendon development, bone regeneration, and endochondral ossification? What aspects of his beliefs are contrary to the authors?
A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized
If the beam has square cross section of 9 in., on each side, determine the absolute maximum bending stress in the beam.
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and that the value of n in the exponential is 8.4. If, at some temperature, the fraction of recrystallization is .30 after 100 min, determine the rate of r..
The elevator E has a mass of 500kg, and the counterweight at A has a mass of 150Kg. if the motor supplies a constant force of 5KN on the cable at B, determine the speed of elevator when t= 3s, starting from rest neglect the mass of pulleys and cab..
Calculate the modulus of elasticity of the aluminium alloy. Use the modulus to determine the length of a 1.25 m bar to which a stress of 210 MPa is applied.
Three springs anda mass are attached to a rigid, weightless bar PQ hinged at one end. How do I find the natural frequency?
Two tow trucks lift a 100 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
solution of oblique-angled triangle all threesides known two side at 7.5 in. and base at .3437 in. what are the angles ?
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