Assertion (A) The speed of a body in uniform circular motion is constant. Reason ( R) In uniform circular motion, the acceleration of the body is constant . Solution in Telugu A Both (A) and ( R) are true and (R ) is the correct explanation of (A). B Both ( A) and (R ) are true but ( R) is not the correct explanation of ( A). C (A) is true but ( R) is false . D (A) is false but ( R) is true .