What is the equation for Newton's Second Law, converted to relate to gravity?

Universal Gravitation

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Physics
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11th Grade
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Medium

Michael Craney
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fg = ma
Fg = mg
Fg = mv
Fg = m/a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the variable 'g' represent in the force of gravity equation?
Acceleration due to gravity (9.81 m/s²)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Newton's Universal Law of Gravitation?
The force that every mass exerts on every other mass, with a force proportional to the product of their masses.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KEY POINT: The gravitational acceleration constant (little g) for the Earth is 9.81 m/s2. Every planet has a different gravitational constant. For example, the gravitational constant for Mars is 3.72 m/s2.
This is TOTALLY DIFFERENT from BIG G, which is the Universal Gravitational Constant that applies to all bodies with mass. The UGC is 6.67 x 10 -11 Newtons.
So, Little G is the acceleration due to gravity of a free falling object towards a SPECIFIC body with mass; while Big G is the actual force of gravity a mass exerts on another mass.
I understand this
I am totally lost.
I like bunnies.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Newton's equation for Universal Gravitation, what does r represent?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the gravitational attraction if only one object exists in a universe?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the force of gravity between two objects relate to Newton's third law?
The force of gravity between two objects is equal and opposite.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When should the force of gravity equation ( Fg = mg ) be used?
When calculating the gravitational force on a mass near a planet's surface.
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