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1. |
Force F acts on peg A such that one of its components, lying in the x-y plane, has a magnitude of 50 lb. Express F as a Cartesian vector. |
A. | F = (43.3 i + 25.0 j + 25.0 k) lb |
B. | F = (43.3 i + 25.0 j + 28.9 k) lb |
C. | F = (43.3 i - 25.0 j + 25.0 k) lb |
D. | F = (43.3 i - 25.0 j + 28.9 k) lb |
Answer» E. | |