Lessons in Applied Mechanics |
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Page 21
... Suppose this has been done , and the distance between the two posi- tions measured and found to be s feet , the time taken being t seconds ; then the distance moved in one second is s / t feet , or s / t feet per second is the velocity ...
... Suppose this has been done , and the distance between the two posi- tions measured and found to be s feet , the time taken being t seconds ; then the distance moved in one second is s / t feet , or s / t feet per second is the velocity ...
Page 23
... Suppose then we let O , or time zero , represent sec . before the body was let go . Mark off then Oa to represent on some scale ↓ sec . , Oa is in the figure inch , the scale being 1 inch to I second . At a the velocity is zero , so a ...
... Suppose then we let O , or time zero , represent sec . before the body was let go . Mark off then Oa to represent on some scale ↓ sec . , Oa is in the figure inch , the scale being 1 inch to I second . At a the velocity is zero , so a ...
Page 42
... suppose , which we have neglected in the preceding , that the table is rough . Then we know that if we move A towards the stop , the friction between A and C will supply a resistance to the motion . But if now , having moved A , we let ...
... suppose , which we have neglected in the preceding , that the table is rough . Then we know that if we move A towards the stop , the friction between A and C will supply a resistance to the motion . But if now , having moved A , we let ...
Page 43
... Suppose , for instance , a column 4 inches in diameter to be sufficient to support certain material at the equator , what difference should there be at the pole ? The area should be increased in the ratio 177 , CHAP . II EFFORTS ...
... Suppose , for instance , a column 4 inches in diameter to be sufficient to support certain material at the equator , what difference should there be at the pole ? The area should be increased in the ratio 177 , CHAP . II EFFORTS ...
Page 50
... Attached to CD is a cord passing over a pulley at B , and having on its end a box Suppose now the sledge be Fig . 42 . E , which can be loaded . loaded with weights which , together with its own weight 50 PART I APPLIED MECHANICS.
... Attached to CD is a cord passing over a pulley at B , and having on its end a box Suppose now the sledge be Fig . 42 . E , which can be loaded . loaded with weights which , together with its own weight 50 PART I APPLIED MECHANICS.
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Common terms and phrases
action actual angular velocity applied axle balance beam bearing belt bending body boom called centre circle coefficient compression connecting rod consider constant crank effort crank pin curve cylinder diagram diameter distance draw effect elastic Energy exerted engine equal equation example feet flange foot length friction ft.-lbs girder given hence Hooke's Law inch joint length lift load mean mean effective pressure measure moment of inertia moving neutral axis obtain ordinates parallel piece piston position plane practically preceding pressure produced pull pulley radius radius of gyration relative motion represent resistance result revolution revolutions per minute right angles rivet rope rotating scale screw shaft shearing shown simply sliding pair speed steam stress stroke surface tension tons turning pair velocity ratio W₁ weight wheel whole
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