One degree is equal to:
Correct answer: C. 0.0175 radian
- A. 0.1 radian
- B. 0.15 radian
- C. 0.0175 radian
- D. 0.275 radian
Explanation
2π rad = 360 degrees 1 degree = 2π/360 = 0.0175
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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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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The relation between radian and degree is: