 | William Whewell - 1837 - 226 pągines
...represented by lines parallel to them in direction and proportional to them in magnitude. * PROP. XIV. If three forces, represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it in equilibrium. Let three forces, represented in magnitude and direction... | |
 | John Charles Snowball - 1838 - 114 pągines
...magnitude, the diagonal will represent the resultant force in direction and magnitude. 29. Prop. 9. If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. CHAPTER IV. Mechanical Powers. ARTS. 31. Definition of Wheel... | |
 | William Whewell - 1847 - 208 pągines
...will be the same, at whatever point of the force the resolution be supposed to take place. 57. PIIOP. If three forces, represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it in equilibrium. Let three forces, represented in magnitude and direction... | |
 | Cambridge univ, exam. papers - 1847 - 40 pągines
...resultant of two forces measured by 3lbs. and 4lbs. respectively, acting in' opposite directions ? 4. If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. 5. Define a pully, and find the ratio of P to Win that system... | |
 | University of Cambridge - 1849 - 560 pągines
...and magnitude, the diagonal will represent the resultant force in direction and magnitude. Prop. 9. If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. And also of such Questions and Applications as arise directly... | |
 | Charles Astor Bristed - 1852 - 470 pągines
...distances along a straight lever ; find the position of the fulcrum when there is equilibrium. 21. If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. when the power is to the weight as the radius of the axle... | |
 | 1863 - 830 pągines
...1-409 = -16702. log. 3 == -47712 log. 1-470 = -16732. 6. Define Force and explain how it is measured. If three forces represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest, "J 7. A weight of 25 Ibs. hangs at rest attached to the... | |
 | Cambridge univ, exam. papers - 1856 - 200 pągines
...respectively, and the pressure on the fulcrum be 25 pounds, what are the magnitudes of the forces ? 2. If three forces represented in magnitude and direction by the sides of a triangle taken in order, act on a point, they will keep it at rest. Two forces whose magnitudes are 12 and 5 pounds respectively,... | |
 | Cambridge univ, exam. papers - 1856 - 252 pągines
...they will balance each other in a given position of the lever, not horizontal. Prove the converse. 3. If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. 4. In a system in which the same string passes round any... | |
 | William Walton - 1858 - 294 pągines
...greater than 6 + 3, and therefore the three forces cannot be represented by the sides of a triangle. (3) Three forces, represented in magnitude and direction by the sides of a triangle, act on a point : if the greatest of the forces be to the least as & to 3, and the triangle be right-angled,... | |
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If three forces, represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. 
