CBSE Class 11 Physics Gravitation Notes Set C

Download CBSE Class 11 Physics Gravitation Notes Set C in PDF format. All Revision notes for Class 11 Physics have been designed as per the latest syllabus and updated chapters given in your textbook for Physics in Class 11. Our teachers have designed these concept notes for the benefit of Class 11 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 11 Physics for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 11 Physics given on studiestoday

Revision Notes for Class 11 Physics Chapter 8 Gravitation

Class 11 Physics students should refer to the following concepts and notes for Chapter 8 Gravitation in Class 11. These exam notes for Class 11 Physics will be very useful for upcoming class tests and examinations and help you to score good marks

Chapter 8 Gravitation Notes Class 11 Physics

Class XI: Physics

Chapter 8: Gravitation

Chapter Notes

Key Learnings:

1. Newton’s law of universal gravitation states that the gravitational force of attraction between any two particles of masses m1 and m2 separated by a distance r has the magnitude F=G m1m2/r2 Where G, the universal gravitational constant, has the value 6.672 x 10-11 Nm² kg-².

2. From the principle of superposition each force acts independently and uninfluenced by the other bodies. The resultant force FR is then found by vector addition.
class_11_physics_concept_1
3. For small heights h above the earth’s surface the value of g decreases by a factor (1-2h/R).

4. The gravitational potential energy of two masses separated by a distance r is inversely proportional to r.

5. The potential energy is never positive; it is zero only when the two bodies are infinitely far apart.

6. The gravitational potential energy associated with two particles separated by a distance r is given by
V=-GM1M2/r  
Where V is taken to be zero at r→ ∞. 

7. The total mechanical energy is the sum of the kinetic and potential energies. The total energy is a constant of motion.

8. If an isolated system consists of a particle of mass m mobbing with a speed v in the vicinity of a massive body of mass M, the total mechanical energy of the particle is given by E=1/2mv2-GMm/r.

If m moves in circular orbit of radius a about M, where M >> m, the total energy of the system is E=-GMm/2a.

9. The escape speed from the surface of the Earth isve=√2GME/RE =2gRAnd has a value of 11.2 km s-1.

10. Kepler’s law of planetary motion:

i. The orbit of the planet is elliptical with sun at one of the focus - LAW OF ORBITS.

ii. The line joining the planet to the sun sweeps out equal area in equal interval of time - LAW OF AREAS.

iii. The square of the planet’s time period of revolution T, is proportional to the cube of semi major axis a.

CBSE Class 11 Physics Gravitation Notes Set C


Please click the link below to download pdf file for CBSE Class 11 Physics - Gravitation Notes.

Chapter 04 Motion in a Plane
CBSE Class 11 Physics Motion In Plane Notes
Chapter 06 Work Energy and Power
CBSE Class 11 Physics Work Energy And Power Notes
Chapter 09 Mechanical Properties of Solids
CBSE Class 11 Physics Mechanical Properties Of Solids Notes

CBSE Class 11 Physics Chapter 8 Gravitation Notes

We hope you liked the above notes for topic Chapter 8 Gravitation which has been designed as per the latest syllabus for Class 11 Physics released by CBSE. Students of Class 11 should download and practice the above notes for Class 11 Physics regularly. All revision notes have been designed for Physics by referring to the most important topics which the students should learn to get better marks in examinations. Our team of expert teachers have referred to the NCERT book for Class 11 Physics to design the Physics Class 11 notes. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 11 Physics provided by our teachers. We have also provided a lot of MCQ questions for Class 11 Physics in the notes so that you can learn the concepts and also solve questions relating to the topics. We have also provided a lot of Worksheets for Class 11 Physics which you can use to further make yourself stronger in Physics.

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