A vector lying along x-axis has
Correct answer: D. None of these
- A. Its x and z components zero
- B. Its y-component equal to zero
- C. Its x and y components equal to zero
- D. None of these
Explanation
The Explanation for this question is as follows: A vector lying along the x-axis has its tail at the origin and its head pointing in the positive x-direction. The direction of the vector is specified by the axis along which it lies. In this case, a vector along the x-axis is typically represented as i in vector notation. The unit vector i has a magnitude of 1 and points in the positive x-direction. Mathematically, the vector along the x-axis can be expressed as: A=A⋅i where A is the magnitude of the vector (which can be any real number). The vector has all x,y,z components present.
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Vectors have magnitude and direction, unlike scalars, and are combined by head-to-tail or parallelogram methods. Work covers rectangular components, equilibrium when the resultant force is zero, the scalar product for work and projections, and the vector product for torque and cross-product direction using the right-hand rule.
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