Which of the given motion is a type of 2D motion?
Correct answer: D. All of these
- A. Circular
- B. Pendulum motion
- C. Projectile motion
- D. All of these
Explanation
Correct option is D. All these are examples of 2D motion. Two-dimensional (2D) motion means motion that takes place in two different directions or axis (or coordinates) at the same time.
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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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