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two forces equal to p and 2p newton act on a particle . If the first be doubled and second will be in increased by 20N , the resultant is unaltered . find the value of p??

Saunkita Mallick 25th Sep, 2020

Hello, hope you are doing well!

Suppose your particle is at origin and you are applying force P and 2P from any side, and if the first force(P) is doubled it will become 2P and if second force is (2P)  is increased by 20N it will become become 2P+20N. Now the resultant would be same or unaltered only when the ratio of (P and 2P) would be equal to the ratio of (2P and 2P+20P).

That is (P/2P)=(2P/(2P+20)) => 1/2=(2P/(2P+20)) => 2P+20P=4P => 2P=20 => P=10. so, the value of P comes out to be 10N, and That is your answer.

Thank you


6 Views

Which are the countries where usmle scores are valid for pg admission 2020 other than Usa

vishnupandey 24th Sep, 2020
Hello aspirant
United states medical licensing examination (usmle) is a three step examination for medical licensing . it is a world recognized examination accepted by different countries.Its purpose is to check the physician ability to apply concepts and knowledge they have gained in there curriculum to real world. It is examination for MD physician.

Counties other than usa accepting usmle -

1. NEW ZEALAND
2. QATAR
3.ISRAEL
4.UAE
5. DHCC (dubai)

You can read more about usmle from here
https://www.google.com/amp/s/studyabroad.careers360.com/articles/usmle/amp




Hope this will help

Best of luck
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