A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is

\(\sqrt{3}\) units

3 units

\(\sqrt{41 + 20 \sqrt{2}}\) units

\(\sqrt{41 - 20 \sqrt{2}}\) units

Correct Option

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2 years ago

the solving

3 years ago

please admin can you drop a better understanding of this?

2 years ago

use cosine rule R² = 5² + 4² -2(5)(4(cos(180-135) = 41 + 20√2

4 years ago

admin how will 52+42 guve us 41
pls review ....
and drop a better explanation

1 year ago

maths processing error

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