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Two force each numerically equal to 10 d...

Two force each numerically equal to `10` dynes are acting as shown in the figure, then find resultant of these two vectors.

Text Solution

Verified by Experts

The angle `theta` between the two vectors is `120^(@)` and not `60^(@)`.
`R= sqrt((10)^(2) + (10)^(2) + 2(10)(10)(cos 120^(@)))= sqrt (100+ 100-100) = 10` dyne
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