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 Turning Effect of a Force Questions and Answers and Answers

The figure below shows a uniform bar which weighs 16 N supported by a spring balance at its center. If the system is at equilibrium,
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a) Determine the value of this force A.
b).Determine the reading of the spring balance.

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Answer Text:
a).F1D1 = F2D2
#Atimes 1.2 = 1.6times 48#
#A= (1.6 times 48)/(1.2)# = 64N
b).Total upward force = Total downward force
Reading on the spring
= 64 + 48
=112N


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