Naval Science 2: Nautical Sciences, Unit 5, Chapter 1 Homework / Extra Credit Assignment.
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1. Answer BOTH of these questions in the space below:
A) According to ancient Greek philosophers, what keeps an object in motion?
B) According to Isaac Newton, what keeps an object in motion?
2. State Newton's three laws of motion.
3. Answer BOTH of these questions in the space below:
A) How fast is light speed?
B) What theory describes the motion of bodies with speeds near light speed?
4. Answer BOTH of these questions in the space below:
A) What are the units of force in the English system of units?
B) What are the units of force in the metric system?
5. Answer BOTH of these questions in the space below:
A) Is the weight or the mass of an object subje3ct to change?
B) How is the weight of an object determined?
6. What kind of force must be reckoned wit for all earthbound objects in motion?
7. What are the four aerodynamic forces on bodies in flight?
8. According to Bernoulli's theorem, how is lift developed by a curved wing?
9. What is meant by g-forces?
10. How are Mach numbers derived?