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`        Two forces equal to P and 2P newton acts one a particle. If the first be doubled and the second be increased by 20 newton, the direction of the resultant is unaltered. Find the value of P.`
5 months ago

```							Dear student If the direction of the resultant force does not change, it means the angle between them remain the same.20N is added to the second force, it becomes = 2p + 20Tan 45 = 4p/(2p + 20) = 14p = 2p + 202p = 20p = 10
```
5 months ago
```							If the direction of the resultant force does not change, it means the angle between them remain the same.Assuming the angle was initially 45 degrees, it will remain the sameTan 45 = 2p/2p = 1First force is doubled, it becomes = 4p20N is added to the second force, it becomes = 2p + 20Tan 45 = 4p/(2p + 20) = 14p = 2p + 202p = 20p = 10
```
5 months ago
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