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Questions and Answers
What is gravity?
What is gravity?
What is the force of gravity exerted by Earth on a body called?
What is the force of gravity exerted by Earth on a body called?
What is gravitation?
What is gravitation?
How is the force of gravity calculated using the Universal Law of Gravitation?
How is the force of gravity calculated using the Universal Law of Gravitation?
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What is acceleration due to gravity?
What is acceleration due to gravity?
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What is the phenomenon of attraction between any two bodies of the universe called?
What is the phenomenon of attraction between any two bodies of the universe called?
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What is the force of attraction exerted by Earth on a body called?
What is the force of attraction exerted by Earth on a body called?
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What is the calculated value of the acceleration due to gravity?
What is the calculated value of the acceleration due to gravity?
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What is the letter used to denote acceleration due to gravity?
What is the letter used to denote acceleration due to gravity?
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What is the force of gravity calculated using?
What is the force of gravity calculated using?
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Study Notes
Understanding Gravity
- Gravity is a fundamental force that attracts two bodies towards each other.
- It is responsible for keeping planets in orbit around stars and influencing the motion of celestial bodies.
Force of Gravity
- The force of gravity exerted by Earth on a body is called "weight."
- Weight is a measure of the gravitational pull that Earth exerts on an object.
Gravitation
- Gravitation refers to the natural phenomenon where two masses attract each other.
- It is the reason for the orbits of planets and the falling of objects toward Earth.
Universal Law of Gravitation
- The force of gravity is calculated using Isaac Newton's Universal Law of Gravitation, which states that every mass attracts every other mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
- The formula is given by: ( F = G \frac{m_1 \times m_2}{r^2} ), where ( F ) is the gravitational force, ( G ) is the gravitational constant, ( m_1 ) and ( m_2 ) are the two masses, and ( r ) is the distance between the centers of the two masses.
Acceleration Due to Gravity
- Acceleration due to gravity is the acceleration experienced by an object because of Earth's gravitational pull.
- It is denoted by the letter "g."
- The standard value of acceleration due to gravity at Earth's surface is approximately ( 9.81 , m/s^2 ).
Attraction Phenomenon
- The phenomenon of attraction between any two bodies in the universe is simply called "gravitation."
- This universal law applies to all matter, no matter how large or small.
Gravitational Force on Earth
- The force of attraction exerted by Earth on a body is referred to as "weight."
- It is calculated based on the mass of the object and the acceleration due to gravity, using the formula: ( W = m \times g ).
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Description
Test your knowledge of gravitation and gravity with this quiz! Explore the Universal Law of Gravitation by Newton and learn about the force of attraction between different bodies in the universe. See how much you know about this fundamental concept in physics.