angular acceleration of the clay and a, represent the centripetal acceleration of the clay. a. For each situation described below, describe a possible motion of the turntable. (Some pa A small piece of clay is stuck near the edge of a phonogr Tepresent the have more than one correct answer.) Explain your reasoning in each case. i. lal 0 and la,l = 0 bard ed nna bns his ne ii. lāl = 0 and la,l +0 bre idsi W anida dyisW iii. lal #0 and la,l #0 0=1 mworda imstani doo s locaw er lo n vaisolov aluers ods Jo noitsoab s b. The equation "a = a, Ir" is not a correct vector equation. i. Explain how you can tell that the vector equation above is not correct. ninlq ii. Is "a = a, Ir" a correct scalar equation? Explain why or why not.

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Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.