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Study Material for Class 11 Physics Gravitation
Class 11 Physics students should refer to the following Pdf for Gravitation in Class 11. These notes and test paper with questions and answers for Class 11 Physics will be very useful for exams and help you to score good marks
Class 11 Physics Gravitation
Ex.1 Three particles, each of mass m, are situated at the vertices of an equilateral triangle of side a. The only forces acting on the particles are their mutual gravitational forces. It is desired that each particle move in a circle while maintaining the original mutual separation a. Find the initial velocity that should be given to each particle and also the time period of the circular motion.
Ex.2 Two satellites S1 and S2 revolve round a planet in coplanar circular orbits in the same sense. Their peirods of revolution are 1 hours and 8 hours respectivley. The radius of the orbit of S1 = 104 km. When S2 is closest to S1, find
(a) the speed of S1 relative to S2,
(b) the angular speed of S2 as actually observed by an astronaut in S1.
Ex.3 A pair of stars rotate about their common centre of mass. One of them has mass m and the other 2m. Their centres are a distance d apart, d being large compared to the size of either star.
(a) Derive an expression for the period or rotation of the stars about their common centre of mass in terms of d, m and G.
(b) Compare the angular momenta of the two stars about their common centre of mass.
(c) Compare the kinetic energies of the two stars.
Sol.: The centre of mass O is at a distance 2d/3 from the star of mass m and d/3 from the star of mass 2m. Both the stars rotate with the same angular velocity ω.
(a) Since the gravitational force provides the centripetal force, then
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CBSE Class 11 Physics Gravitation Study Material
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Study Material for Physics CBSE Class 11 Gravitation
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Gravitation Study Material Physics CBSE Class 11
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Gravitation CBSE Class 11 Study Material Physics
Regular Study Material reading helps to gain more comprehensive understanding of Gravitation concepts. Study Material play an important role in developing understanding of Gravitation in CBSE Class 11. Students can download and save or print all the Study Material, printable assignments, practice sheets of the above chapter in Class 11 Physics in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 11 Physics MCQ Test for the same chapter
CBSE Study Material Physics Class 11 Gravitation
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