Exp 6: Newton's 3rd Law

Course

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The first three questions refer to the material you were to read in preparation for the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle. Questions 4 is your opportunity to suggest what we should emphasize today and how.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button at the bottom of this page.


1. When one object is struck by another, it "feels" a force:
What are the components that make up this force?
Which one is it that hurts?


2.When mosquito meets windshield, who gets hurt the most andwhy?



3. Imagine a horse pulling a buggy. Which is correct?....
 

If action always equals reaction, a horse cannot pull a buggy because the action of the horse on the buggy is exactly canceled by the reaction of the buggy on the horse. The buggy pulls backward just as hard as the horse pulls forward on the buggy so they cannot move.

The horse pulls forward slightly harder on the buggy than the buggy pulls backward on the horse, so they move forward.

The horse pulls before the buggy has time to react, so they move forward.

The horse can pull the buggy forward only if the horse weighs more than the buggy.


The force on the buggy is as strong as the force on the horse, but the horse is joined to the earth by its flat hoofs, while the buggy is free to roll on its round wheels.

None of the above.

All of the above.



4. Below is a space for your thoughts, including general comments about today's lab assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", etc.):




You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT button.

I received no help from anyone on this assignment.