Torque and Equilibrium of a Rod

In summary, the conversation discusses a diagram of a rod that is free to pivot and the possibility of making the right end of the rod push down by pulling on the left end. The conditions for equilibrium, including net force and net torque, are mentioned, and the writer admits to being unsure how to approach the problem.
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Homework Statement



Here's a diagram of a rod that's free to pivot about the point indicated. Is it possible to make the right end of the rod push down, by pulling on the left end of the rod? If so, show on the diagram the direction that you would pull on the left end of the rod, and explain your reasoning. If not, explain why not.

Please see my attachment for the rod diagram.

Homework Equations



Conditions for equlibrium F net=0 and Torque net= 0.

τ= r F sin θ

The Attempt at a Solution



Honestly I am not even sure how to get started. Please help.
 

Attachments

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  • #2
Is this a serious problem?
 

1. What is torque?

Torque is a measure of the rotational force applied to an object. It is calculated by multiplying the force applied to an object by the distance from the axis of rotation to the point where the force is applied.

2. How is torque related to equilibrium?

In order for an object to be in rotational equilibrium, the net torque acting on the object must be equal to zero. This means that all the forces acting on the object must be balanced and there is no rotation occurring.

3. How do you calculate the torque of a rod?

The torque of a rod can be calculated by multiplying the force applied to the rod by the distance from the point where the force is applied to the axis of rotation.

4. What factors affect the torque of a rod?

The torque of a rod is affected by the magnitude of the force applied, the distance from the point of application to the axis of rotation, and the angle at which the force is applied.

5. How can torque be used to achieve equilibrium in a rod?

To achieve equilibrium in a rod, the sum of all the torques acting on the rod must be equal to zero. This can be achieved by adjusting the magnitude and/or direction of the forces acting on the rod, or by changing the distance from the force to the axis of rotation.

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