The figure below shows a uniform bar of length 1.0m pivoted near one end. The bar is kept in equilibrium by a spring balance as...

      

The figure below shows a uniform bar of length 1.0m pivoted near one end. The bar is kept in equilibrium by a spring balance as shown:
p442019947.png
Given that the reading of the spring balance is 0.6N, determine the reaction force at the pivot.

  

Answers


sharon
Clockwise moments = anticlockwise moments at equilibrium
0.6 x 0.7 = W x 0.3;
W = 0.6 x 0.7/0.3
= 1.4N;
0.6 + R = 1.4
R = 0.8N;
sharon kalunda answered the question on April 4, 2019 at 06:49


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