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The platform scale consists of a combination of third and first class levers so that the load on one lever becomes the effort that moves the next lever. Through this arrangement, a small weight can balance a massive object. If x = 450 mm, determine the required mass of the counterweight S required to balance a 90kg load,L.
00 
The platform scale consists of a combination of third and first class levers so that the load on one lever becomes the effort that moves the next lever. Through this arrangement, a small weight can balance a massive object. If x = 450 mm and, the mass of the counterweight S is 2 kg, determine the mass of the load L required to maintain th
0128 
The platform supports a load W. Determine the horizontal force P that must be supplied by the screw in order to support the platform when the links are at the arbitrary angle θ.
0119 
The platform truck supports the three loadings shown. Determine the normal reactions on each of its three wheels.Given:F1 = 380 lb b = 12 inF2 = 500 lb c = 10 in d = 5 inF3 = 800 lb e = 12 ina = 8 in f = 12 in
0511 
The polar moment of inertia for the area is IC about the z axis passing through the centroid C. The moment of inertia about the x axis is Ix and the moment of inertia about the y' axis is Iy. Determine the area A.Given:IC = 28 in4Ix = 17 in4Iy' = 56 in4a = 3 in
0114 
The polar moment of inertia for the area is Jcc about the z' axis passing through the centroid C. If the moment of inertia about the y' axis is Iy' and the moment of inertia about the x axis is Ix.Determine the area A.Given:Jcc = 548 × 106 mm4Iy' = 383 × 106 mm4Ix = 856 × 106 mm4h = 250 mm
0121 
The pole for a power line is subjected to the two cable forces of 60 lb, each force lying in a plane parallel to the x – y plane. If the tension in the guy wire AB is 80 lb, determine the x, y, z components of reaction at the fixed base of the pole,O.
0436 
The pole is subjected to the force F, which has components acting along the x, y, z axes as shown. Given the magnitude of F and the angles α and γ, determine the magnitudes of the components of F. Given: F = 80 N α = 60 deg γ = 45 deg
0120 
The pole is subjected to the force F which has components Fx = 1.5 kN and Fz = 1.25 kN .If β = 75o, determine the magnitudes of F and Fy.
0305 
The pole is subjected to the force F which has components F x = 1.5 k N and F z = 1.25 k N. If β = 75°, determine the magnitude of F and F y.
0107
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