## Elementary mechanics |

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### Contents

II Resolution and Composition of Forces | 6 |

III Equilibrium of Rigid Bodies | 46 |

Equilibrium of a rigid body acted upon by any system of forces | 78 |

Copyright | |

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algebraic sum angle angular acceleration angular velocity attached axis axle ball body center of gravity circle coefficient of friction coefficient of restitution components cone couple cylinder diameter displacement distance downward equal and opposite equations equilibrium Example 1.—A F-axis Figure Find the reactions Find the resultant Find the tensions Find the velocity forces acting ft./sec Hence horizontal force impact inclined plane initial velocity jackscrew kinetic energy ladder length level plane line of action magnitude and direction motion n forces parallel forces particle perpendicular position potential energy Problems and Exercises rad./sec radius rebound resolved respectively rest resultant force rev./min rev./sec rope rotation sides simple harmonic motion smooth plane smooth pulley Solution.—Let Solution.—The speed sphere square string supported surface Taking moments tion triangle unbalanced force upward vector vertical plane weight wheel whence X-axis zero