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Conditions for equilibrium of several forces meeting
EquiliBRIUM of RIGID BoDIEs
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50-lb weight angle of 30 angular acceleration angular velocity axis axle ball block body center of gravity coefficient of friction coefficient of restitution cone cylinder direction displacement distance elevator equal equations equilibrium Example 1.-A Figure Find the reactions Find the resultant Find the tension forces acting forces of 100 ft from rest ft high ft in diameter ft long ft-lb ft/sec Hence horizontal force impact inclined plane initial velocity jackscrew kinetic energy ladder lb acting lb per ft level plane magnitude mi/hr mid-point motion particle perpendicular plate point moves position potential energy Problems and Exercises rad/sec radius rebound respectively rev/min rev/sec right circular cone rope rotation side simple harmonic motion sliding slipping smooth plane smooth pulley Solution.—Let speed of 20 sphere string attached supported triangle upward vertex vertical plane vertical wall weighing 50 lb wheel whence