a rod of length L and mass m is free to rotate about its one end in vertical plane.if it is released from horizontal position,then find torque on rod about end of rotation,when it makes an angle theta with vertical line?

Asked by 10th December 2011, 5:35 PM

Answered by Expert

Answer:

torque= (mglsin?)/2 here torque is for only weight. not for centripetal force.as cp force acts along the line of the rod.

Answered by Expert 12th December 2011, 11:41 AM

Rate this answer

You have rated this answer /10

Report an issue

Previous Question

Next Question

Your answer has been posted successfully!

Free related questions

Two students started together for their school which is 2 km apart from their hostel and decided to reach in shortest possible time. They have one bicycle which they decided to use in turn as it can carry only one person. Both can walk at one 1 km / hour and both ride the cycle at 4 km / hour. One of them started walking and other started on cycle. At some intermediate point, the student riding the bicycle leaves it and starts walking towards the school. The other student, after walking upto the intermediate point continues his journey on the bicycle. Finally both reach the school simultaneously.

Options:

Total time of their journey is 75 min.
Total time for which one can enjoy the ride is 20 min.
Total time for which one must walk is 55 min.
Total time for which cycle remains unused is 45 min.

11th August 2016, 5:49 PM

The given hinge construction consists of two rhombus with side ratio 3:2. The vertex A2 moves in the horizontal direction with a speed V. The velocity of A1 is: