Revised seed 231

course PHY 121

A wad of paper is dropped from a second-story balcony and falls through still air to the ground. •As it speeds up, what happens to the air resistance it encounters?

Has less air resistance

###This should be more air resistance

answer/question/discussion:

• What happens to the net force acting on it?

Becomes less

###Ths is decrease of magnitude

answer/question/discussion:

• What happens to its acceleration?

Speeds up

###This is speeds up

answer/question/discussion:

• If it dropped from a much higher point, what would happen to the net force and the acceleration?

The force becomes less and the acceleration increases

###It will speed up but at a lesser rate

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&#Good responses. Let me know if you have questions. &#