Page images

27. Definition of Component and Resultant Forces.

28. Prop. 8. If the adjacent sides of a parallelogram represent the com-
ponent forces in direction and 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.


13. Definition of Specific Gravity.

« PreviousContinue »