What Magnitude Of F2 Causes The Net Torque On The Rod To Be Zero?

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amber Jhon Profile
amber Jhon answered
General Torque= r*f sin(theta)

T2= r*F2 Sin(90)o

As distance of F1 is twice of F2 from pivot

T1=2r*F1 Sin(45)o

Net torque=0

T1-T2=0

T1=T2 2r*F1

Sin(45)o = r*F2 Sin(90)o

2*20*0.707=F2

F2=28.28N

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