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c)
Figure 3 below show, block A, B and C that connected each other using cord passing
through two pulleys. Block A and B placed on rough surface of coefficient 0.9. The
mass of each block A and B is 7 kg. Block C falls at constant velocity.
В
C
A
40°
Figure 3
i.
draw the free body diagram for block A.
ii.
calculate the tension of the cord pulling block A.

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