Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Gravitation
0 votes

For a planet moving aroung the sun in an elliptical orbit, which of the following quantities remain constant?

1) Total energy of the sun-planet system

2) The angular momentum of the planet about the sum

3) The force of attraction between the two

4) Linear momentum of the planet

$\begin{array}{1 1}(a)\;1,2\\(b)\;3,4\\(c)\;1,2,3\\(d)\;1,4\end{array} $

Can you answer this question?

1 Answer

0 votes
Total energy of the planet-sun system and the angular momentum of the planet remain constant. But force of attraction and linear momentum are not constant.
Hence a is the correct answer.
answered Aug 9, 2013 by meena.p
edited Apr 2, 2014 by balaji.thirumalai

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App