Question

The two forces of 9 newtons and 12 newtons which are acting at right angles to each other will have a resultant of

Answer 1

resultant force =✓9^2+12^2
resultant force=✓81+144
=✓225
=15
please comment if it is right

Answer 2

The resultant of two forces when they are acting perpendicular to each other is 15 N.

Explanation:

Given that,

Force 1, $F_1=9\ N$

Force 2, $F_2=12\ N$

To find,

The resultant of the forces when they are perpendicular to each other.

Solution,

We know that the resultant of two forces when they are acting perpendicular to each other is given by :

$F=\sqrt{F_1^2+F_2^2}$

$F=\sqrt{9^2+12^2}$

F = 15 N

So, the resultant of two forces when they are acting perpendicular to each other is 15 N.

Learn more,

Vectors

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