The Resultant force of two equal parallel forces acting in opposite direction in
the same line of action is
a) Fnet = F + F2
b) Fnet = F2-F1
c) Fnet = Fz+F1
d) Fnet=0
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The correct answer is option (d) F net = 0.
In order to calculate the resultant force, the below mentioned formula is used.
F net = √(A²+B²+2ABcos∅)
= √(F²+F²+2F²cos 180)
= √(2F²-2F²)
= 0
Hence, the resultant force of two equal parallel forces acting in opposite direction in the same line if action is 0.
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