Question

When Fx= 3 N and F= 5 N then Fy=​

Answer 1

Answer:

answer is 4N

Explanation:

by joining the points x and y we get hypotaneous of triangle

therefore

(hyp)^2=fx^2+fy^2

f^2=fx^2+fy^2

25 = 9 - fy^2

fy^2 = 25-9

therefore fy =

$\sqrt{16} = 4$

Answer 2

Answer:

The vertical component of force is found as F_{y}=4N

Explanation:

Given that,

The horizontal component of force is

$F _{x} = 3 N$

The Resultant of force is

$F = 5N$

We need to find the vertical component of force which is found using resolution of vectors as follows

$F = F _{x}i + F _{y}j \\ |F | = \sqrt{F _{x} {}^{2} + F _{y} {}^{2} }$

Substituting the known values of forces in above relation we get,

$5 = \sqrt{3 {}^{2} + F _{y} {}^{2} } \\ 5 {}^{2} = 3 {}^{2} + F _{y} {}^{2} \\ F _{y} = 4N$

Therefore,the vertical component of force is found as F_{y}=4N

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