Force $F$ (See Figure) Is Applied at C and Is Directed Toward

question 3

Multiple Choice

Force $F$ (see figure) is applied at C and is directed toward A. Its magnitude is $F = 15 \mathrm {~N} . \mathrm { A }$ unit vector along line CA is:

• A) \(- 0.49 i + 0.81 j + 0.32 k\)
• B) \(- 0.51 i + 0.73 j + 0.39 k\)
• C) \(0.58 i - 0.79 j + 0.49 k\)
• D) \(- 0.65 i + 0.22 j + 0.43 k\)

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