A vector is a physical quantity which is completely specified by:
Correct answer: A. Both magnitude & direction
- A. Both magnitude & direction
- B. Magnitude only
- C. Direction only
- D. None of these
Explanation
A vector is a physical quantity that is completely specified by both its magnitude and its direction. Vectors have both numerical values (magnitude) and a specific orientation in space. Examples of vector quantities include displacement, velocity, force, and acceleration. The magnitude of a vector represents its size, and the direction indicates the path along which it acts or points.
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About Vectors and Equilibrium
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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