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What is the mass of the diver in if she exerts a torque of 2300 N·m on the board, relative to the left (A) support post?

 Jun 29, 2021

Best Answer 

 #2
avatar+37159 
+2

The plank is in static equilibrium ....the torque at B must be balanced

 

From B perspective

  F * d  =    F3            Fd  =  force of diver = ma

2300  = 3 * ma

              = 3 * m (9.81)            m =  78.15 kg

 Jun 29, 2021
 #1
avatar+37159 
+1

editing 

 Jun 29, 2021
edited by ElectricPavlov  Jun 29, 2021
edited by ElectricPavlov  Jun 29, 2021
 #2
avatar+37159 
+2
Best Answer

The plank is in static equilibrium ....the torque at B must be balanced

 

From B perspective

  F * d  =    F3            Fd  =  force of diver = ma

2300  = 3 * ma

              = 3 * m (9.81)            m =  78.15 kg

ElectricPavlov Jun 29, 2021

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