Displacement of sun with respect to earth is:
Correct answer: A. r
- A. r
- B. 2πr
- C. 2r
- D. r²
Explanation
The correct answer is r. Displacement is a vector quantity that describes the shortest path between two points, taking into account direction. At any given moment, the displacement of the Sun with respect to the Earth is approximately the radius of Earth's nearly circular orbit, r. The other options are incorrect because they do not accurately describe displacement: 2πr is the path length of a full orbit, 2r is only applicable in a specific situation not generally true at any moment, and r² is unrelated to displacement.
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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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