What is the solution to this Rotational Motion problem?

In summary, rotational motion is the movement of an object around an axis or center point. It is different from linear motion, which involves movement in a straight line. Torque is a measure of the force that causes rotational motion, while angular velocity is a measure of how quickly an object is rotating around an axis. The moment of inertia is a measure of an object's resistance to changes in its rotational motion, and is determined by its mass and distribution around an axis of rotation.
  • #1
coldblood
133
0
Hi friends,
Please help me in solving this problem, I'll appreciate the help.

The problem is as:

https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-prn1/q71/s720x720/1521987_1461726820721090_508820317_n.jpg

Attempt-
https://fbcdn-sphotos-a-a.akamaihd.net/hphotos-ak-prn2/q71/s720x720/1480633_1461727047387734_1942268314_n.jpg


Thank you all in advance.
 
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  • #2
You've forgotten that the rod will also have a linear speed.
 
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  • #3
The problem has been cleared.
 

1. What is rotational motion?

Rotational motion is the movement of an object around an axis or center point. It is a type of motion that occurs in circular or curved paths.

2. How is rotational motion different from linear motion?

Rotational motion involves movement around an axis, while linear motion involves movement in a straight line. The motion of a spinning top is an example of rotational motion, while the motion of a car driving in a straight line is an example of linear motion.

3. What is torque in rotational motion?

Torque is a measure of the force that causes an object to rotate around an axis. It is calculated by multiplying the force applied to the object by the distance from the axis to the point where the force is applied.

4. How is rotational motion related to angular velocity?

Angular velocity is a measure of how quickly an object is rotating around an axis. It is related to rotational motion because the speed of an object's rotation is determined by its angular velocity.

5. What is the moment of inertia in rotational motion?

The moment of inertia is a measure of an object's resistance to changes in its rotational motion. It is determined by the mass and distribution of the object's mass around an axis of rotation.

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