Gravity Multiple Choice Test

The force of gravity between two objects is directly proportional to which of the following?

The sun has more mass than Earth, which has more mass than the moon. If the distance between each object was the same, which gravitational force would be the largest?

Which of the following ideas did Johannes Kepler propose?

Suppose the sun was replaced by a star that had twice as much mass. How would the gravitational force between the sun and its planets change?

Which of the following would increase the gravitational force between two objects, X and Y?

How does a parachute change the terminal velocity of a skydiver?

The phrase terminal velocity can best be defined as

Which of the following statements about an object traveling at terminal velocity is true?

A leaf falls from a tree. As you are watching the leaf fall, how can you tell that is has reached its terminal velocity?

A tree branch falls from a tree, accelerating at a constant rate until it hits the ground. Did the tree branch reach terminal velocity?

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