Which of the following is not an-example of projectile motion:
Correct answer: A. Gas-filled balloon
- A. Gas-filled balloon
- B. Bullet fired from a gun
- C. A football kicked
- D. A baseball shot
Explanation
A gas-filled balloon typically moves in an uncontrolled manner, often drifting with the wind or carried by air currents. It doesn't follow the defined trajectory associated with projectile motion, where the motion is characterized by a specific initial force and subsequent curved path due to gravity.
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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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