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CBSE Class 11-science Answered

What is spring constant how it is related to potential energy? And please sugges . Me that how should I study physics I am getting low marks continuously in physics .please help me
Asked by Monika Singh | 22 Jan, 2016, 02:42: PM
answered-by-expert Expert Answer
For a small stretch or compression, spring obeys Hook's law, i.e., for a spring,
Restoring force begin mathsize 14px style proportional to end style stretch or compression
-F begin mathsize 14px style proportional to end style x    or    -F = kx
where k is a constant of the spring and is called spring constant.
 
Potential energy (P.E.) of the spring =begin mathsize 14px style 1 half kx squared end style.
 

We know this subject is difficult to comprehend. You need to focus on some key areas that will help you for your preparations.

 These areas are: 

1) Learn important definitions, formulae and theorems, etc.

2) Solve as many problems as you can.

3) If you are facing difficulties in a particular chapter, then focus on that chapter more.

4) Solve as many past year papers as you can. They will help you comprehend what kind of questions may appear in the exam.

Lastly, build some more confidence in Physics which will help you counter the stress.

We are sure, with proper practice and hard work you will be able to clear your Physics.
Answered by Faiza Lambe | 22 Jan, 2016, 03:12: PM
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