...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...

...and resolution of forces. 19. If three forces, represented in direction and magnitude by the three sides of a triangle, taken in order, act on a point, they will keep it at rest. In the preceding proposition (Art. 18) there are three forces, P, Q, R, represented by the...

...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...

...59. PROP. If any number of forces, represented in magnitude and direction by the sides of a polygon taken in order, act on a point, they will keep it in equilibrium.. Let forces AB, BC, CD, DE, EA act upon a point A ; they will keep it in equilibrium. By Art. 55, the forces...

...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...

...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...

...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...

...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...taken in order, act on a point, they will keep it at rest. Two forces whose magnitudes are 12 and 5 pounds respectively, act at right angles to each...

...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...

...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,...