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Physics
The world around you!
Mechanics
Thermal Physics
Waves and Optics
Electricity
Electromagnetism
Modern Physics
Chemistry
Matter is everything!
Structure of Matter
States of Matter
Chemical Reactions
Metals and Non-metals
Organic Chemistry
Biology
Wonders of the inner world!
Biochemistry
Cell Biology
Genetics
Evolutionary Biology
Plant Form and Function
Animal Form and Function
Human Physiology
Math
The language of science!
Arithmetic
Algebra
Geometry
Trigonometry
Calculus
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Practice Tests
Model Tests
The world around you!
Mechanics
Preface
Units, Vectors and Mathematical Physics
Kinematics
Newton's Laws of Motion
Work, Energy and Power
Linear Momentum
Circular motion
Rotational Motion
Oscillations
Gravitation
Fluid Mechanics
Mechanical Properties of Matter
Thermal Physics
Preface
Heat & Temperature
Calorimetry
Thermal Expansion
Heat Transfer
Kinetic Theory
Thermodynamics
Heat Engines
Waves and Optics
Preface
Wave Motion
Sound Waves
Nature of Light
Reflection
Refraction
Interference and Diffraction
Optical Instruments
Electricity
Preface
Electric Charge and Electric Field
Electric Potential
Gauss's law
Capacitors and Dielectrics
Current Electricity
Thermal and Chemical effects of current
Electromagnetism
Preface
Magnetism
Magnetic Forces
Magnetic field due to current
EM Induction
A.C. Circuits
Electromagnetic Waves
Modern Physics
Preface
Bohr's atomic model
Quantum theory
Nucleus
Radioactivity
Nuclear Reactions
Semiconductor Electronics
Communication Systems
Physics
Mechanics
Gravitation
Newton's universal law of gravitation
Gravitational potential energy
Kepler's Laws
Newton's universal law of gravitation
Summary
ConceptMap
ConceptMap
Summary
Worksheets
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Zero gravity
Gravitation plays a major role in so many aspects of our lives. Gravity acts on every object with out any distinction. As the height increases, the amount of gravitational pull decreases. Therefore the object starts to float in space. Lets Learn more about the gravitation and how it varies with height of the ground, in this topic.
Learning objectives
After completing the topic, the student will be able to:
Explore the basic force that rules the Nature, i.e., gravitation and expand its importance in everyday science.
Clearly observe and reflect on the Kepler's laws of planetary motion.
State and relate the Newton's universal law of gravitation to everyday science.
Observe and reflect on the variation of acceleration due to gravity at different places of Earth.
Distinguish between mass and weight of the object.
Discover the concept of weightlessness and apply it to everyday science.
Explore about the ocean tides and extend it to different types of tides.
Explore and discuss about gravitational potential energy.
Investigate, explore and formulate Kepler's laws of planetary motion.
Develop and formulate orbital velocity, escape velocity and energy of artificial satellites.