## Practical Mechanics |

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acceleration amount angle angular arch axis balance beam becomes bending body breaking calculate called cast centre of gravity compressive compressive stress consider couple curvature curve diameter direction distance divided draw effect elasticity energy equal evident experiments fact feet figure fixed foot forces acting friction give given greater Hence horizontal inertia iron joint length link polygon load machine mass material means measured middle minute motion move multiplied parallel passes pendulum pieces portion position pressure produced proportional pull pulley radians radius represents resist resultant round rule scale shaft shape shearing shown shows side spring square inch steel straight strain strength stress strip structure strut subjected supporting suppose surface Table turning twist usually velocity vertical vibration weight wheel wire

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Page 180 - The Encyclopaedic Dictionary. A New and Original Work of Reference to all the Words in the English Language, with a Full Account of their Origin, Meaning, Pronunciation, and Use.

Page 168 - In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

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Page 25 - GH, is called the circular pitch, or circumferential pitch, and is equal to the circumference of the pitch circle divided by the number of teeth. In order to run together, two gears must have the same circular pitch.

Page 182 - Price 5s. each. Science for All. Complete in Five Vols. Edited by Dr. ROBERT BROWN, MA, FLS, &c., assisted by Eminent Scientific Writers. Each containing about 350 Illustrations. Cloth, 9s.

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Page 169 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.

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Page 119 - The last three equations express that the sum of the moments of all the forces about any three axes not in the same plane must also vanish.