6631417
Description
Quiz by Amber Garcia, updated more than 1 year ago
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Created by Amber Garcia
over 7 years ago
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Question 1
Question
Compared to the mass of a certain object on Earth, the mass of the same object on the moon is:
Answer
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less
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more
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the same
Question 2
Question
What two quantities does torque depend on [blank_start]......?[blank_end]
Answer
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Force & Lever arm
Question 3
Question
Whenever the net force on an object is zero, its acceleration is[blank_start]:[blank_end]
Answer
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0
Question 4
Question
A fast car can accelerate without interacting with anything
Answer
- True
- False
Question 5
Question
What must occur for an object to accelerate? [blank_start]blank[blank_end]
Answer
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A netforce must act on it
Question 6
Question
What must occur for an object to fall over? [blank_start]blank[blank_end]
Answer
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The center mass must be over pivet point
Question 7
Question
Define momentum. [blank_start]blank[blank_end]
Answer
-
Measure how difficult to stop moving obj
Question 8
Question
Age of Earth? [blank_start]blanket[blank_end]
Answer
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4.6 billion years
Question 9
Question
Age of Universe[blank_start]?[blank_end]
Answer
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13.7 billion years
Question 10
Question
Age of Sun[blank_start]?[blank_end]
Answer
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5 billion
Question 11
Question
Closest galaxy and how many light years away? [blank_start]..[blank_end]
Answer
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LMC 160,000 LY away
Question 12
Question
Closest star and how many light years away[blank_start]?[blank_end]
Answer
-
Alpha Centauri and 3.3 LY away
Question 13
Question
Hooke's Law [blank_start]is?[blank_end]
Answer
-
Force is proportional to stretch F=kx
Question 14
Question
An object maintains its state of motion because it has
Answer
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weight
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speed
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acceleration
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mass
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none of the above
Question 15
Question
Describe briefly how Netwon's third law manifests itself for the Earth-Moon system[blank_start]...?[blank_end]
Answer
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If Earth has a foce so does the moon
Question 16
Question
Pluto was discovered by: [blank_start]___[blank_end]
Answer
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Clyde Tombough 1929
Question 17
Question
What was the name of Newton's book, published 20 years after his initial findings[blank_start]?[blank_end]
Answer
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Principia
Question 18
Question
If the mass of an object does not change, a constant net force on the object produces constant
Answer
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velocity
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acceleration
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displacement
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velocity and acceleration
Question 19
Question
To move forward, WHY does a skateboarder push off against the ground instead of just pushing his body with his hand? [blank_start]------------[blank_end]
Answer
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Skateboarder needs a net external force
Question 20
Question
What was Tyco Brahe's major contribution to science?
Answer
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Charted planets and stars daily for twenty years
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Wrote Principia
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Created telescope
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Only charted planets for twenty years
Question 21
Question
[blank_start]State Newton's Three Laws of Motion[blank_end]
Answer
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Law of Intertia,Fnet=ma, Action/reaction
Question 22
Question
Kepler's Three Laws of Planetary Motion? [blank_start]...[blank_end] [blank_start]...[blank_end] [blank_start]...[blank_end]
Answer
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1. planets move ellipses around the sun
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2. planets move faster closest to sun
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T^2 x a^3 period/distance are proport.
Question 23
Question
Define Mass
Answer
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Measure of space
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Measure of objects inertia
Question 24
Question
Define weight
Answer
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Measure of the effect if gravity in an objects mass
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Measure of velocity on an objects mass
Question 25
Question
Facts about Isaac Newton's Life
Answer
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Had two siblings
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Born on Xmas, Built a working sun dial @ 6 years old, had several breakdowns, developed calculus
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Never went to college, born on Halloween, live with grandpa
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