Question
Question: When a disc rotates with uniform angular velocity, which of the following is not true?...
When a disc rotates with uniform angular velocity, which of the following is not true?
A
The sense of rotation remains same.
B
The orientation of the axis of rotation remains same.
C
The speed of rotation is non – zero and remains same.
D
The angular acceleration is non – zero remains same.
Answer
The angular acceleration is non – zero remains same.
Explanation
Solution
When a disc rotates with uniform angular velocity, angular accelerations of the disc is zero, Hence, options (4) is not true.