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" The Arm of a couple is the perpendicular distance between the lines of action of the two forces... "
Practical Geometry and Graphics - Σελίδα 107
των David Allan Low - 1912 - 448 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

An Elementary Treatise on Rational Mechanics: By the Rev. John Kerr

John Kerr - 1866 - 358 σελίδες
...COUPLES. • 57. A Couple is a system of two parallel, contrary, and equal forces applied to a rigid body. The Arm of a couple is the perpendicular distance...two forces. The Moment of a couple is the product of its force and arm. The forces of a couple are usually represented as applied at the ends of a particular...

Mechanics for beginners

Isaac Todhunter - 1867 - 368 σελίδες
...remarks will be required. 65. A couple consists of two parallel forces which are equal and unlike. The arm of a couple is the perpendicular distance between the lines of action of its forces. equal forces into the arm; that is, the number which expresses the force must be multiplied...

Mechanics for Beginners: With Numerous Examples

Isaac Todhunter - 1867 - 372 σελίδες
...remarks will be required. 65. A couple consists of two parallel forces which are equal and unlike. The arm of a couple is the perpendicular distance between the lines of action of its forces. The moment of a couple is the product of one of the equal forces into the arm; that is,...

Mechanics required for the Additional Subjects for Honours at the Previous ...

James McDowell - 1867 - 120 σελίδες
...sum of the moments of the forces of a couple about any point in the plane of the couple is constant. The perpendicular distance between the lines of action of the two forces of a couple is called the Arm of the couple. 38. In Arts. 36 and 37, if the point 0 be taken anywhere...

A Manual of Applied Mechanics

William John Macquorn Rankine - 1872 - 714 σελίδες
...Leverage. — The force of a couple is the common magnitude of the two equal forces ; the arm or leverage of a couple is the perpendicular distance between the lines of action of the two equal forces. 27. Tendency of n Conplc — Plane of a Couple — Right-handed and : .< i ii,:, ii,!,...

Natural philosophy. Mechanics, Τόμος 1

J Alfred Skertchly - 1873 - 184 σελίδες
...body, and not to move it along any resultant path. Such a combination of forces is called a coupled The perpendicular distance between the lines of action of the two forces is called the arm of the couple; the perpendicular to the plane of the couple at the middle point of...

A Mechanical Text-book: Or, Introduction to the Study of Mechanics and ...

William John Macquorn Rankine, Edward Fisher Bamber - 1873 - 372 σελίδες
...F, in fig. 82), constitute what ia called a " couple" The arm or leverage of a couple (L, fig. 82) is the perpendicular distance between the lines of action of the two equal forces. The tendency of a couple is to turn the body to which it is applied in the plane of the...

A Mechanical Text-book: Or, Introduction to the Study of Mechanics and ...

William John Macquorn Rankine, Edward Fisher Bamber - 1873 - 368 σελίδες
...F, in fig. 82), constitute what is called a " couple" The arm or leverage of a couple (L, fig. 82) is the perpendicular distance between the lines of action of the two equal forces. The tendency of a couple is to turn the body to which it is applied in the plane of the...

Elementary Dynamics...

W. G. Willson - 1874 - 294 σελίδες
...(3.) Any one of the forces must be equal and opposite to the resultant of the other two. 96. Def. — The arm of a couple is the perpendicular distance between the lines of action of its forces. The moment of a couple is the product of one of the equal forces and the arm. . . , The...

A Manual of Telegraph Construction: The Mechanical Elements of Electric ...

John Christie Douglas - 1875 - 460 σελίδες
...directions, but not in the same line, constitute a couple. The arm or leverage of a couple, AB, fig. 6, is the perpendicular distance between the lines of action of the two equal forces A and B. The plane of a couple is the plane in which are situated the lines of action...




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