
Gravitational Forces and Orbits
Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the nature of Earth's gravitational field on its surface?
Non-uniform and random
Radial and concentrated
Uniform and equally spaced
Radial and non-uniform
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Newton's law of gravitation, the force between two masses is proportional to:
The square of their masses
The product of their masses
The difference of their masses
The sum of their masses
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the gravitational force between two bodies of masses 6 kg and 20 kg placed 50 cm apart?
3.20 x 10^-8 N
6.40 x 10^-8 N
1.60 x 10^-8 N
9.81 x 10^-8 N
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does gravitational field strength change with distance in a radial field?
It increases with distance
It remains constant
It decreases with distance
It fluctuates randomly
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the gravitational field strength on Earth's surface?
8.91 N/kg
10.00 N/kg
9.81 N/kg
6.67 N/kg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kepler's third law states that the square of the orbital period is proportional to:
The square of the radius
The cube of the radius
The fourth power of the radius
The radius itself
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using Earth's orbital characteristics, what is the calculated mass of the Sun?
2.5 x 10^30 kg
3.0 x 10^30 kg
2.0 x 10^30 kg
1.5 x 10^30 kg
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