 If two forces acting perpendicularly at the extremities of the arms of any lever balance each other, they are inversely as the arms. Prop. 6. If two forces acting at any angles on the arms of any lever balance each other, they are inversely as the perpendiculars...  Harvard Examination Papers - Pàgina 1891875 - 164 pàginesVisualització completa - Sobre aquest llibre
 | 1840 - 772 pàgines
...arms. Prop. 6. If two forces acting at any angles on the arms of any lever halance each other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. Prop. 7. If two weights halance each other on a straight lever when it is horizontal, they will halance... | |
 | William Whewell - 1837 - 226 pàgines
...is, NC : CM :: Q : P. * PROP. VIII. If two forces, acting at any angles on the arms of any lever, are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act, they will balance each other. Let P, Q be two forces, acting at any angles on AC,BC, the arms of the... | |
 | John Charles Snowball - 1838 - 114 pàgines
...25. Prop. 6. If two forces acting at any angles on the arms of any lever balance each other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. ARTS. CHAPTER III. Composition and Resolution of forces. 27. Definition of Component and Resultant... | |
 | University of Cambridge - 1849 - 560 pàgines
...arms. Prop. 6. If two forces acting at any angles on the arms of any lever balance each other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. Prop. 7. If two weights balance each other on a straight lever when it is horizontal, they will balance... | |
 | Thomas Tate - 1853 - 396 pàgines
...equilateral w triangle. Required the tension of one of the strings. Ans. — - . "I/O 23. The directions of two forces, P and Q, which act on a bent lever...equal angles with the arms of the lever, which are a and b feet respectively ; required the ratio of P to Q. Am. ^=£. 24. Two weights keep a horizontal... | |
 | Thomas Lund - 1864 - 204 pàgines
...at rest in an horizontal position, upon a fulcrum 3 in. distant from that end. (42) The directions of two forces, P and Q, which act on a bent Lever,...equal angles with the arms of the Lever, which are 6 and 8 inches respectively. Find the ratio of QtoP. iii. COMPOSITION AND RESOLUTION OF FORCES. (ARTS.... | |
 | Thomas Lund - 1864 - 188 pàgines
...respectively. 2. If two forces, acting at any angles on the arms of any Lever, balance each other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. Describe the Balance known as the bent-lever Balance, (in which the weight (P) is always the same),... | |
 | John Charles Buckmaster - 1864 - 204 pàgines
....'. S=WP If two forces acting at any angles on the arms of any lever balance eacli other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. Let two forces, P and W, acting at any angles on the arms of the lever whose fulcrum is at B, balance... | |
 | University of Cambridge - 1864 - 694 pàgines
...arms. Prop. 6. If two forces acting at any angles on the arms of any lever balance each other, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act Prop. 7. If two weights balance each other on a straight lever when it is horizontal, they will balance... | |
 | James Hamblin Smith - 1871 - 148 pàgines
...= CN:CM. 57. If two forces which are not parallel, acting on a lever, produce equilibrium, they are inversely as the perpendiculars drawn from the fulcrum to the directions in which the forces act. Let P and Q be two forces, not parallel, balancing encli other on the lever ACB round the fulcrum C.... | |
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