Forces not Lying in the Same Plane
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-56
2025-11-01
76
When three forces having the same point of application do not lie in the same plane, the resultant is the diagonal of the parallelopiped formed on these forces as edges.
Suppose the three forces are P, Q, and S (Fig. 1). The resultant of P and Q is R' in the plane ABEC, while the diagonal AH is the resultant of R' and S in the plane AEHD, and is the required resultant.
FIG.1
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