Rotational Motion Question 27
Question: This question has Statement land Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements.Statement 1: When moment of inertia/of a body rotating about an axis with angular speed
[JEE ONLINE 12-05-2012]
Options:
A) Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
B) Statement 1 is false, Statement 2 is true.
C) Statement 1 is true, Statement 2 is true. Statement 2 is correct explanation of the Statement 1.
D) Statement 1 is true, Statement 2 is false.
Show Answer
Answer:
Correct Answer: B
Solution:
- [b] As so L increases with increase in co.
Kinetic energy depends on an angular velocity’ co’ and moment of inertia of the body I.
As L=
i.e., K.E.(rotational)=
