The two-dimensional motion under constant acceleration due to gravity is called:
Correct answer: C. Projectile motion
- A. Circular motion
- B. Rotational motion
- C. Projectile motion
- D. Vibratory motion
Explanation
Projectile motion is a specific example of two-dimensional (2D) motion. In projectile motion, an object is launched into the air and moves under the influence of gravity, following a curved trajectory known as a parabola.
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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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