The angular displacement of an object after one complete revolution is _.
Correct answer: C. 2π radian
- A. 0 radian
- B. π radian
- C. 2π radian
- D. (1/3)π radian
Explanation
The angular displacement of an object after one complete revolution is: 2π radians. In one complete revolution, an object rotates around a circle, covering a full circumference. The circumference of a circle is given by 2π times the radius. Since one complete revolution covers the entire circumference, the angular displacement is equal to the angle subtended by the full circumference.
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About Angular Displacement
Angular displacement measures the change in a body’s angular position and is expressed in radians or degrees, with anticlockwise and clockwise directions assigned signs. It connects to arc length, angular velocity and angular acceleration, and must be distinguished from ordinary linear displacement in rotational motion.
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