a force of magnitude 10n act on a particle at angle of 30degree with horzontal of the force in (newton
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Two horizontal forces of magnitudes 10 N and P N act on a particle. The force of magnitude 10 N acts due west and the force of
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Correct option is
A
10
3
N
The resultant force acts due north.
⇒ The horizontal components of the two forces cancel
⇒ 10=Psin30=
2
P
=10⇒P=20N
∴ Resultant R=Pcos30=20×
2
3
=10
3
N.
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