Pts question 4 which of the following scientists

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Question 4
Which of the following scientists developed a telescope design that primarily
uses mirrors rather than lenses?
Galileo Galilei
Issac Newton
Correct!
Correct!
Albert Einstein
Johannes Kepler
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Question 5
Which of the following scientists developed a theory of gravity that provides
accurate results when a one object is near a very massive second object
and/or when an object is experiencing a large acceleration.

6/13/2019 Topic Quiz Galilleo, Newton & Gravity: Survey of General Astronomy - 2019SU:40065
Albert Einstein
Correct!
Correct!
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Question 6
Which of the following illustrates Newton’s First Law of Motion?
Correct!
Correct!
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Correct. It tries continue in the same direction at the same speed.
The use of low power thruster to maneuver in space.
More massive cars need bigger engines to get the same acceleration.
Objects continue at rest, or in uniform motion at constant speed in a
straight line unless acted on by an outside force.
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Question 7
The equation F=ma is consistent with which of the following statements? Choose ALL the
answers that are correct.

6/13/2019 Topic Quiz Galilleo, Newton & Gravity: Survey of General Astronomy - 2019SU:40065
If you pull two wagons of differing mass with the same amount of force, the
lighter wagon will get moving faster more quickly.
Correct!
Correct!
If you pull two wagons of differing mass with the same amount of force, the
heavier wagon will get moving faster more quickly.
If you pull two wagons of equal mass, the one to which you apply a larger
force will get moving faster more quickly.
Correct! Correct!
This is Newton's second law.
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Question 8
Which of the following illustrates Newton's Third Law of Motion?
A rock that is thrown upwards is still accelerating even when its speed is zero.
None of these
It’s hard to use a screwdriver in space because pushing down on it makes you float
up.
You weigh less on the Moon than on the Earth.
Correct!
Correct!
Correct!
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6/13/2019 Topic Quiz Galilleo, Newton & Gravity: Survey of General Astronomy - 2019SU:40065
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