Understand that gravity is the force that governs the motion of our solar system; and
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Q 1/4
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The diagram below models Mercury and Venus orbiting the sun. What force causes Venus to travel along a curved path instead of moving in a straight line as indicated by the dashed line in the diagram?
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Gravitational attraction between the sun and Venus
Gravitational attraction between Mercury and Venus
Electromagnetic attraction between the sun and Venus
Electromagnetic attraction between Mercury and Venus
Q 2/4
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In July 1994 the comet Shoemaker-Levy 9 collided with the planet Jupiter, as scientists had predicted. To be able to accurately predict when a comet will collide with a planet, it is essential to understand —
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the gravitational attraction that exists between all bodies
the formation of comets
the composition of a planet’s atmosphere
the gravitational attraction that exists between all bodies
4 questions
Q.
The diagram below models Mercury and Venus orbiting the sun. What force causes Venus to travel along a curved path instead of moving in a straight line as indicated by the dashed line in the diagram?
1
60 sec
6.11b
Q.
In July 1994 the comet Shoemaker-Levy 9 collided with the planet Jupiter, as scientists had predicted. To be able to accurately predict when a comet will collide with a planet, it is essential to understand —
2
60 sec
6.11b
Q.
What keeps planets in the solar system from moving in straight lines through the galaxy?
3
60 sec
6.11b
Q.
A student makes a model of the sun-Earth system by swinging a ball around her head. Using this model, the student is trying to explain how Earth stays on a path around the sun.
The student explains that this path is the result of —
