Question

Multiple Correct: A child whirls a ball at the end of a rope, in a uniform circular motion. Which of the
following statements is true? Select two answers.
(A) The speed of the ball is constant
(B) The velocity is of the ball is constant
(C) The magnitude of the ball's acceleration is constant
(D) The net force on the ball is directed radially outwards

Answer 1

Answer:

option A and B

the speed of the ball is constant and the velocity is of the ball is constant .

hope it helps you

Answer 2

Option A and C since in option B velocity can’t be constant in circular motion and in option D net acts onwards towards the centre