ROCKETRY TOP FINAL EXAM QUESTIONS AND CORRECT ANSWERS

ROCKETRY TOP FINAL EXAM QUESTIONS AND
CORRECT ANSWERS
Newton's First Law of Motion - CORRECT ANSWERS Objects at rest will stay at rest;
objects in motion will stay in motion unless acted upon by an unbalanced force



Newton's Second Law of Motion - CORRECT ANSWERS The acceleration of an object is
directly related to the force exerted on that object and oppositely related to the mass of that
object



Newton's Third Law of Motion - CORRECT ANSWERS for every action, there is an equal
and opposite reaction



Chinese - CORRECT ANSWERS -Rockets were invented by the Chinese in the eleventh
century

-They were used in war around this time

-Chinese have been thought to have invented fireworks as well

-They were made of black powder



European - CORRECT ANSWERS -Introduced by the Arabs in the 1200's

-In the 1300's Roger Bacon, an English monk, improved the rocket by using gunpowder instead
of black powder



U.S. - CORRECT ANSWERS -Robert Goddard invented a rocket that was powered by liquid
fuel in 1918

-He predicted that one day, they would go to the moon



Lift - CORRECT ANSWERS is a positive force; it is how airplanes stay up in the air