Displacement is
Correct answer: C. Vector
- A. Dimension
- B. Scalar
- C. Vector
- D. Speed
Explanation
Displacement is defined as a vector quantity because it considers both the magnitude and direction of an object's change in position from its initial point to its final point. This is distinct from scalar quantities like distance, which only consider magnitude. Option A, 'Dimension,' refers to a physical measurement and not a type of quantity applicable to displacement. Option B, 'Scalar,' is incorrect because displacement requires direction, which scalars do not have. Option D, 'Speed,' is a scalar and only measures how fast something is moving, without involving direction, making it unrelated to displacement.
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About Force and Motion
Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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