Two persons are applying forces of 120N and 50N on a box in the opposite direction.
Find the magnitude of the resultant force
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0
Answer:
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Answered by
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Answer:
70 N
OR
-70 N
Explanation:
It can be represented like in the diagram.
A force of 120 N towards right and 50 N towards left.
There can be two answers depending on which side you are taking as positive.
Right direction is considered positive by convention but I will show you both cases nevertheless.
CASE I :
(Right is positive)
F(net) = F+F'
F(net) = (120)+(-50)
F(net) = 120-50
F(net) = 70 N
CASE II :
(Left is positive)
F(net) = F+F'
F(net) = (-120)+(50)
F(net) = -70 N
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