I was hoping you could help me with the following multiple choice question. 1) A

Question

I was hoping you could help me with the following multiple choice question.

1) An object is in uniform circular motion. Identify the correct statement(s). (There may be more than one correct answer.)
a) Its acceleration is constant.
b) Its radial acceleration is constant
c) Its tangential acceleration component is constant in magnitude.
d) none of theses

I believe the answer is d). correct me if i'm wrong, but in uniform circular motion the velocity is constant in the tangential direction which means C) is false. In addition, im pretty sure that a) and b) are inccorect because although the radial acceleration is constant in magnitude the direction varies according to where on the circular path the object is.

Explanation / Answer

for a body moving in uniform circular motion

it is charectersied by a constant velocity in terms of magnitude but there is a continuous change in terms of direction of velocity of the particle

if V is constant = a = 0 so a is false

and
as a it sef is rate of change of velocity

here in options a,b,c are all having cnstant acclerations which is flase

so

here the correct answe is option D

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