Simplified Mechanics and Strength of MaterialsWiley, 1951 - 275 páginas |
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Página 6
... Motion . A force may be defined as that which produces or tends to produce motion or a change of motion of bodies . Motion is a change of position with respect to some object regarded as in a fixed position . When the path of a moving ...
... Motion . A force may be defined as that which produces or tends to produce motion or a change of motion of bodies . Motion is a change of position with respect to some object regarded as in a fixed position . When the path of a moving ...
Página 34
... Motion . A wheel 12 " in diam- eter weighs 400 # . Determine the magnitude of the horizontal force shown in Fig . 35 ( a ) required to start the wheel over the block 3 " in height . 9 " I C ... MOTION 41 Force Required to Produce Motion PAGE.
... Motion . A wheel 12 " in diam- eter weighs 400 # . Determine the magnitude of the horizontal force shown in Fig . 35 ( a ) required to start the wheel over the block 3 " in height . 9 " I C ... MOTION 41 Force Required to Produce Motion PAGE.
Página 46
... motion results . Thus , the moment has been increased by in- creasing the length of the lever arm . Suppose that we are asked to determine the magnitude of the force necessary to produce motion if the lever arm remains 10 " . Let us ...
... motion results . Thus , the moment has been increased by in- creasing the length of the lever arm . Suppose that we are asked to determine the magnitude of the force necessary to produce motion if the lever arm remains 10 " . Let us ...
Contenido
CHAPTER | 1 |
Elements of a Force | 9 |
Equilibrant | 15 |
Derechos de autor | |
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allowable axial load allowable load allowable unit stress angle bars center of moments centroid column compressive stresses compressive unit stress Compute the maximum concentrated load cross section cross-sectional area deflection deformation determine diameter distance double bearing elastic limit EXAMPLE EXAMPLE factor of safety fillet weld flexure formula force polygon free body diagram funicular polygon hence indicated in Fig inertia intersection length line of action linear foot magnitude material maximum bending maximum shear modulus of elasticity moment of inertia neutral surface parallel parallelogram of forces pier plate pounds per linear pounds per square pressure PROBLEMS R₁ radius of gyration reactions reinforced concrete resisting respect resultant rivet rods section modulus shaft shear diagram shearing stress shearing unit stress shown in Fig simple beam single bearing slenderness ratio SOLUTION span square inch stirrups Table tensile stresses thickness three forces truss uniformly distributed load weight width zero