A stone is whirled in a vertical circle. The stone has:
Correct answer: C. Radial and tangential acceleration
- A. Radial acceleration
- B. Tangential acceleration
- C. Radial and tangential acceleration
- D. None of the above
Explanation
The stone experiences both radial acceleration (in the vertical direction) and tangential acceleration (changing its linear speed) during its motion in the vertical plane which is a characteristic of circular motion.
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About Angular and Linear Quantities
Rotational motion relates angular displacement, angular velocity and angular acceleration to linear displacement, tangential velocity and tangential acceleration through the radius. Questions use radians, v equals r omega and tangential acceleration, while distinguishing tangential velocity from centripetal acceleration and angular quantities from their linear counterparts.
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