Lessons in Applied Mechanics |
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Page 110
... it is 120 tons - inches . Find the thrust . Ans . 4 tons . 7. In question 9 , p . 38 , what force applied to the handle will lift I ton ? Ans . 8 lbs . CHAPTER VI PULLEYS , BELTS , AND WHEEL GEARS THE IIO PART I APPLIED MECHANICS.
... it is 120 tons - inches . Find the thrust . Ans . 4 tons . 7. In question 9 , p . 38 , what force applied to the handle will lift I ton ? Ans . 8 lbs . CHAPTER VI PULLEYS , BELTS , AND WHEEL GEARS THE IIO PART I APPLIED MECHANICS.
Page 111
... pulleys , the piece between P and the pulley may be taken as forming a sliding pair with the earth , being connected where it meets the pulley to the rope , and the effort applied by the hand say which is applying the effort P. Fig . 80 ...
... pulleys , the piece between P and the pulley may be taken as forming a sliding pair with the earth , being connected where it meets the pulley to the rope , and the effort applied by the hand say which is applying the effort P. Fig . 80 ...
Page 112
... pulley or sheave to place it as in Fig . 81 ( a ) , in order to change the direc- tion of a rope which passes over it . Now this effect could equally be obtained , as in ( b ) ... Pulley Blocks Belt Connection Speed Pulleys Belt Tensions.
... pulley or sheave to place it as in Fig . 81 ( a ) , in order to change the direc- tion of a rope which passes over it . Now this effect could equally be obtained , as in ( b ) ... Pulley Blocks Belt Connection Speed Pulleys Belt Tensions.
Page 113
... pulley , and the work we have done will not be affected by any motion of the pulley , so long as no moment be applied to it , i.e. we may apply any force we please through its centre without affecting our equations . We see then at once ...
... pulley , and the work we have done will not be affected by any motion of the pulley , so long as no moment be applied to it , i.e. we may apply any force we please through its centre without affecting our equations . We see then at once ...
Page 114
... pulley , or W be hung to the hook , and it can Fig . 83 . Fig . 84 . Fig . 85 . form the movable pulley . A pair of such blocks with the rope which goes round the sheaves is called a tackle , or system of pulleys . If we desire to still ...
... pulley , or W be hung to the hook , and it can Fig . 83 . Fig . 84 . Fig . 85 . form the movable pulley . A pair of such blocks with the rope which goes round the sheaves is called a tackle , or system of pulleys . If we desire to still ...
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Common terms and phrases
actual angular velocity applied axle beam bearing belt bending body boom called centre coefficient coefficient of friction compression connecting rod consider constant crank arm crank effort crank pin crank position cylinder diagram diameter direction distance draw a curve effect elastic Energy exerted engine equal equation example feet flange friction ft.-lbs girder given hence inch joint length lift load mean mean effective pressure mechanical advantage method moment of inertia moving neglecting obliquity neutral axis obtain ordinates piece piston position piston rod piston velocity plane preceding produced pull pulley radius relative motion represent resistance result revolutions revolutions per minute right angles rope rotating scale screw shaft shear shown simple sliding pair speed stress stroke surface tension tons turning pair velocity ratio W₁ weight wheel whole
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