Chapter 9
Notes
Gravity
Newton's Law of Gravity
Characteristics
When one quantity is inversely proportional
to another quantity,
Other examples of inverse square laws
(besides gravity)
Check Questions
You can change a proportion into an exact
equation
The proportionality constant for Newton's
Law of Gravity is called the
And it has a value of
Equation
1.
Gravitational force is a vector
2.
It obeys Newton's third law
3.
It is directly proportional to the product of the
masses.
4.
It is indirectly proportional to the distance
between the objects squared.
it is called an
inverse square law
.
1.
Paint sprayed on a wall.
2.
Light from a flashlight.
1.
If the distance between two objects was
reduced by 1/3, by what factor would the
gravitational force between them change?
2.
You are in the Biology side of Howell.
You
are on the first floor with your pet tarantula
("Atilla") where the gravitational force on
your Atilla is 1 newton.
You then go up to the
third floor.
Will the gravitational force on
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 Fall '08
 Kenney
 Physics, Force, Gravity, Mass, General Relativity, Gravitational Force, Atilla

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