a force of 10N is acting ay an angle of 40 with force of 12N. find the magnitude of their resultant.
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Given that the magnitude of force, F=10N
We know the rectangular components of a
A
are given by:
Acosθ and Asinθ
Therefore, magnitude of the components of
F
will be 10cos30
o
and 10sin30
o
where, θ=30
o
as given
By putting the value of cos30
o
and sin30
o
the components are 5
3
N and 5N.
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