Answer the following questions related to angular displacement and circular motion.
PHYSICS · Multi-part · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics
Problem
Answer the following questions related to angular displacement and circular motion.
(i) Define one radian.
(ii) Distinguish between angular displacement and arc length. Write any two distinguishing points.
(iii) Show that, for a circle, the ratio of the length of an arc to the radius equals the angular displacement of that arc when the angle is measured in radians.