
Determine the angles made by the

The angle made by the given vector with the positive
The unit vector
Answer to Problem 1P
The angle made by the given vector with the positive
The unit vector
Explanation of Solution
Given information:
The given vector is
Write the expression for the magnitude of vector.
Here, the magnitude of vector is
Write the expression for angle made by vector with positive
Here, the angle made by vector with positive
Write the expression for angle made by vector with positive
Here, the angle made by vector with positive
Write the expression for the unit vector.
Here, the unit vector in the direction of
Calculation:
Substitute
Substitute
Substitute
Substitute
Conclusion:
The angle made by the given vector with the positive
The unit vector
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Engineering Mechanics: Statics
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