Gravitation Check In
10 Point Summative
Question 1
Over the course of an orbital path, the distance between an asteroid and the sun doubles. What happens to the gravitational force between the asteroid and the sun?
The force doubles for both sun and asteroid.
The force doubles for the sun only.
The force is cut in half for both the sun and asteroid.
The force is cut in half for the asteroid only.
The force becomes a quarter of its previous strength for both objects.
The force becomes a quarter of its previous strength on the asteroid only.
Question 2
In what direction does gravity always pull?
Towards the center of both objects
In an orbit around the larger object
In an orbit around the smaller object
It varies depending on the situation
Question 3
Which TWO factors affect the attractive force of gravity between objects?
Mass & Velocity
Velocity & Distance
Mass & Distance
Size & Velocity
Question 4
Based on the information shown, in which direction do Earth and Mars orbit the sun?
The Mars Orbiter (MOM) was launched from Earth and orbited Earth repeatedly until the 30th of November, when it reached a velocity fast enough to escape from Earth's gravity. Earth and the MOM were part of a system where energy was exchanged between them.
Cannot be determined
Clockwise
Counter clockwise
Question 5
Which of the following statements is true about the change in energy experienced by the MOM from the 5 Nov to the 30 Nov?
Cannot be determined
MOM's total energy increased, taking some of Earth's.
MOM's total energy decreased, giving some to Earth.
MOM's total energy stayed the same because energy cannot be transferred through gravitational forces.
Question 6
Explain your answer to #5 above.
Question 7
Based on what you know about gravity and orbits, which planet in our solar system is traveling the fastest?
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Question 8
Explain your choice of planet in the previous question using scientific concepts and reasoning. You must use: force, velocity, distance, mass, orbit, and gravity in your explanation.
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