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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


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 -

5. DHCC (dubai)

You can read more about usmle from here

Hope this will help

Best of luck

mam i am doing grajuate kya mam m MCAT exam k liy eligible ho or mam MCAT exam m kon kon se subject aate

Yash Dev Student Expert 23rd Sep, 2020

Hello student you're eligible to appear in MCAT if you hold a MBBS degree from a recognized university. No other eligibility criteria is required for international students.

Subjects in MCAT are as mentioned below -

  1. Critical Analysis and Reasoning Skills
  2. Biological and Biochemical Foundations of Living Systems
  3. Psychological, Social, and Biological Foundations of Behaviour
  4. Chemical and Physical Foundations of Biological Systems

For more details refer to the link mentioned below -

Feel free to comment if you've any doubt

Good luck


HELLO !! I want to know the exams to get scholarship to study abroad...

Nishu Kumari 23rd Sep, 2020

Hii there,

If you want to study abroad, you need to qualify one language exam and one standardised exam. Some standardised extrance exams for abroad study are GMAT, GRE, SAT, ACT, M AT, or LSAT, etc.

Some language exams are IELTS, TOEFL, PRE, etc.

It is quite difficult to tell you about which exam provides scholarship, but for that the most crucial criteria in almost all exams are not able to pay fee or you can if your family income is very less, then it can be done.

Hope you got it. Good luck!!


I want to go Australia after completing my graduation, how can i prepare for ielts by myself with graduation.

Sreeja Siva 20th Sep, 2020


It is an international standardized test of English language proficiency for non native English language speakers. The main objective of the test is to assess the listening,reading and writing skills of the candidates. To prepare for IELTS by yourself you can start by watching and listening programmes conducted in English (without subtitles are better) and can improve the pronunciation and vocabulary. Also start reading articles with proper pronunciation. There are videos available in YouTube which might help you to prepare for the exam. There are also so many online and offline books which will help you to prepare for the exam. Some of them are

  • The Official Cambridge Guide To Ielts Student's -
Book by Amanda French, Pauline Cullen, and Vanessa Jakeman
  • Cambridge Vocabulary for IELTS Advanced with Answers: Self-study Vocabulary Practice
Book by Pauline Cullen

This are some books. You can buy it and prepare yourself .All the best.


Is there any age limit for MCAT?

Maddula Varshini 19th Sep, 2020

Hello Dear,

There is no age limit for MCAT. But you have to mention the reason for applying to MCAT during the time of applying. You can register in any one of the following fields:

  • Allopathic
  • Osteopathic
  • Podiatric
  • Veterinary Medicine

You can only appear in MCAT Exam only 3 times in a year.

Hope this helps you.

All the Best!!!


Which colleges am i eligible for after giving GRE?

debolinadawn 19th Sep, 2020

Dear aspirant,

Hope you are doing well. As per your query you have not mentioned which country you give preference to. You can get into many renowned colleges with your GRE score. Some of the well ranked colleges are American University, Delaware State University, George Town University, Strayer University, Fairfield University, University of Connecticut, Yale University, Brock University, Cape Breton University and many more. Please feel free to mention the country below so that I can give you more details and information. Hope you find this helpful. Thank you.


After working 2 years in SBI(po) Im eligible to apply for Cambridge or instead with good GMAT or ielts score. Im B.B.A graduate...

Sushmita Singh 18th Sep, 2020

Hi Bimla,

Since you have pursued your graduation in BBA so I am assuming that you want to apply for MBA degree in Cambridge.


Eligibilty Criteria for MBA degree is as follows:-

  • In Bachelor's you need to have minimum 70% marks.
  • You should have minimum 3 years of work experience.
  • Exams which are accepted are GMAT, GRE & IELTS.
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