12_P62InstructorSolution

12_P62InstructorSolution - 12.62. Model: The beam is a...

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12.62. Model: The beam is a rigid body of length 3.0 m and the student is a particle. Visualize: Solve: To stay in place, the beam must be in both translational equilibrium net (0 N ) F = G G and rotational equilibrium net N m ) . τ = The first condition is ( ) ( ) GG1 2 beam student 0 N y FF F F F =− + + = 2 1 2 G beam G student ( ) ( ) (100 kg 80 kg)(9.80 m/s ) 1764 N FF F F ⇒+= + = + = Taking the torques about the left end of the beam, the second condition is G beam
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at University of Georgia Athens.

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