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Question: problem 1 5i 6j9k and consider the forces measured in...

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Problem 1 (-5i -6j+9k) and Consider the forces (measured in Newton, N): F F3 (-12i+4j + 20k). (10i-15j- 8k), F2 (a) Determine the unit vectors along each of forces. F,. F2 and Fs. (b) Determine the direction cosines of Fi. Fand Fs (c) Using the determinant representation, compute Fix F2, F2 x Fs and F3 x F1 (d) Determine the angle between Fi and Fz, the angle between F2 and F3, and the angle between Fsand F1
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