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An object thrown into the air and moving under gravity alone is called a:
AProjectile
BPendulum
COscillator
DResultant
Answer & Solution
Correct answer: A. Projectile
1. Two-dimensional motion under gravity has its own name.
2. The object is called a projectile.
3. Its path is called its trajectory.
4. A pendulum swings on a string rather than flying freely.
_Source: OpenStax College Physics for AP(R) Courses 2e (CC BY 4.0), Ch 3 'Two-Dimensional Kinematics', sections 3.1-3.4_
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