Thursday, February 20, 2014

Newton problems

Newton's laws problems/questions.

1. Describe each of Newton's 3 laws.

2. A 0.5 kg toy car is pushed with a 40 newton force. What is the car's acceleration?

3. Without calculating anything, what would be the effect (in problem 2) of increasing the mass of the car?

4. Give an example of Newton's 1st law in action.

5. Give an example of Newton's 3rd law in action.

6. Newton's "big book", what I claim is the most important non-religious book of all time is _____ and was published in _____.

7. What things are worth remembering about the so-called Scientific Revolution?

8.  Have a basic idea of historical chronology between these fellows:  Newton, Copernicus, Ptolemy, Galileo.  And roughly, why their contributions are important.

9.  What are epicycles and why are they important in the history of science?

10.  What is precession (wobbling) and why is it important in the history of science?

11.  Distinguish between weight and mass.

12.  What is the SI unit of force?  What is the English unit of force?

13.  How does weight depend on gravitational acceleration?

14.  Why do objects in freefall fall with the same acceleration?  Give one of the arguments that appeals to you.

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