QUESTIONS ON THE 



QUESTIONS 



ON 



THE SCIENTIFIC READINGS 



ATTRACTION. 



1. What is meant by Attraction ? 



2. Into how many kinds may attraction be divided, 

 and explain them ? 



3. How many kinds of attraction of gravitation are 

 there, and what are they ? 



4. At what part of the earth is the power of Gravity 

 the greatest ? 



5. What prevents bodies of a loose structure from 

 falling with the same velocity as bodies of a denser 

 nature ? 



6. In what ratio does the power of gravity increase 

 and decrease ? 



7. What is that kind of gravitation by which the hea- 

 venly bodies are retained in their orbits ? 



8. In what proportionate degree do the Primary 

 planets act upon their Secondaries ? 



9. What is the rate of descent of a falling body, near 

 the earth's surface ? 



10. Through what principle is it that a glass ruler, or 

 a stick of sealingwax, when rubbed, will attract light 

 bodies ? 



11. By what power is it that the atoms of bodies 

 cohere ? 



