Question

Three forces of magnitude 3N, 4N and 4N are acting at an angle of 0°, 30° and 150' with
the x-axis respectively. Find the resultant force with direction.
​

Answer 1

Answer:

If two vector are given

a

,

b

Their vector product & given by:

∣

∣

∣

∣

a

×

b

∣

∣

∣

∣

=∣a∣∣b∣sinθ

where is angle between them in the given case,

magnitude of vector =∣A∣∣B∣sinθ

=5

3

×10sin30

=25

3

Explanation:

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