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umka2103 [35]
3 years ago
8

Find fq, the vertical force that pier q exerts on the right end of the bridge.

Physics
1 answer:
mariarad [96]3 years ago
5 0
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
<span>View the entire bridge as the system, and find the torque about a pivot chosen to eliminate the torque from one of the unknowns
</span>Find the sum of the torques ∑ τ Q about the right pier Q of the bridge. Remember that counterclockwise torque is positive
∑τQ - 2MgL− 3FpL

<span>The sum of the torques is zero
</span>
FP = 2/3 Mg
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