two forces each of 10N act angle 60 with each other the magnitude of resultant is
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for answer please refer the above attachment...
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Explanation:
From the formula
∣
∣
∣
∣
C
∣
∣
∣
∣
=
A
2
+B
2
+2ABcosθ
=
100+100+2×10×10×
2
1
=
300
Magnitude =10
3
Direction :
∠ϕ=tan
−1
(
A+Bcosθ
Bsinθ
)
=tan
−1
⎝
⎜
⎜
⎜
⎛
10+10×
2
1
10×
2
3
⎠
⎟
⎟
⎟
⎞
=tan
−1
(
15
5
3
)
=tan
−1
(
3
3
)
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