A brass'ball is tied to a thin wire and swung so as to move uniformly in a horizontal circle. Which of the following statements in this regard is/are true?
1. The ball moves with constant velocity
2. The ball moves with constant speed
3. The ball moves with constant acceleration
4. The magnitude of the acceleration of the ball is constant
Select the correct answer using the code given below:

Options

A. 1 only
B. 1 and 3
C. 1, 2 and 4
D. 2 and 4 only

Answer

D

Explanation

Velocity is the vector quantity so it get changed as the direction changes. The ball will move with constant speed and magnitude of acceleration of the ball will also be constant.