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acting angle applied atmosphere axes axis axle base becomes body called centre of gravity centrifugal force column components curve cylinder denote described determine direction distance divided draw effect element elementary entire equal Equation equilibrium EXAMPLES feet fluid follows force friction given gives greater Hence horizontal inches inclined increase intensity length lever liquid machine mass means measure mercury moment moments motion moving normal parallel particles passing pendulum perpendicular pipe piston plane point of application position preceding pressure principle projection pulley pump quantity radius raised regarded remain represent resistance resolved respect rest resultant rise rotation Schools side SOLUTION space specific gravity square Substituting suppose surface taken temperature tension tion tube unit upper velocity vertical vessel volume weight wheel
Page 182 - ... plus the product of the area and the square of the distance between the axes.
Page 114 - The power is to the weight, as the radius of the pulley is to the chord of the arc enveloped by the rope.
Page 39 - Lami's Theorem. If three forces acting on a particle keep it in equilibrium, each is proportional to the sine of the angle between the other two.
Page 42 - Hence, the moment of the resultant of two forces is equal to the algebraic sum of the moments of the forces taken separately. 53. Forces Acting at Different Points. Parallel Forces.— We have thus far considered forces acting upon a single particle, or upon one point of a body. If, how- Fia 33...
Page 180 - ... must be measured on a line at right angles to the direction of the force. Moment of Inertia. The moment of inertia of a body, with respect to an axis, is the sum of the products obtained by multiplying the mass of each elementary particle by the square of its distance from the axis; hence, the moment of inertia of the same body varies according to the position of the axis.