The trajectory of a projectile is usually a _.
Correct answer: B. Parabola
- A. Trajectory
- B. Parabola
- C. Velocity
- D. Acceleration
Explanation
Projectile motion involves two simultaneous motions - a uniform horizontal velocity and a uniform vertical acceleration, resulting in a parabolic trajectory. The correct answer is 'Parabola' because the shape of a projectile's path is indeed parabolic. The other options, 'Trajectory', 'Velocity', and 'Acceleration', do not specifically describe the shape of the trajectory and are therefore incorrect.
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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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