The unit of angular displacement is _.
Correct answer: B. Degree or radian
- A. Nm
- B. Degree or radian
- C. N/Kg
- D. Kgm/s
Explanation
Angular displacement is measured in either degrees or radians, depending on the context. In this case, the correct unit for angular displacement is degree or radian as they are specific to rotational motion. The other options are incorrect because they represent units for different physical quantities such as force, acceleration, and impulse, not angular displacement.
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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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