The system is at equilibrium.
where θ is the angle between r and F.
Therefore, the clockwise and counterclockwise moments are equal.
Let's take the force at the support point to be Fs and that at the left-hand side be FL. Let's assume the direction of these forces relative to the board is unknown.
You may want to review (Pages 343 - 347).
For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Locating your center of gravity while you work out.
a. Find the magnitude of the force at the support point.
b. Find the magnitude of the force at the left-hand end.
c. Find the direction of the force at the support point.
d. Find the direction of the force at the left-hand end.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Torque Due to Weight concept. You can view video lessons to learn Torque Due to Weight. Or if you need more Torque Due to Weight practice, you can also practice Torque Due to Weight practice problems.