The length of the of a particle is equal to the magnitude of the displacement of that particle. Shape of the path possible is:
Correct answer: D. Straight line
- A. Hyperbola
- B. Area of a circle
- C. Parabola
- D. Straight line
Explanation
When the distance traveled equals the magnitude of displacement, the path must be the straight line between initial and final points; any curvature would make the path length exceed the straight-line 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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