Quiz
PHYSICS TEST 2 REVIEW
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Questions in this quiz (25)
1Compared to the mass of a certain object on Earth, the mass of the same object on the moon is:
- Aless
- Bmore
- Cthe same
2What two quantities does torque depend on [blank_start]......?[blank_end]
- AForce & Lever arm
3Whenever the net force on an object is zero, its acceleration is[blank_start]:[blank_end]
- A0
4A fast car can accelerate without interacting with anything
- ATrue
- BFalse
5What must occur for an object to accelerate? [blank_start]blank[blank_end]
- AA netforce must act on it
6What must occur for an object to fall over? [blank_start]blank[blank_end]
- AThe center mass must be over pivet point
7Define momentum. [blank_start]blank[blank_end]
- AMeasure how difficult to stop moving obj
8Age of Earth? [blank_start]blanket[blank_end]
- A4.6 billion years
9Age of Universe[blank_start]?[blank_end]
- A13.7 billion years
10Age of Sun[blank_start]?[blank_end]
- A5 billion
11Closest galaxy and how many light years away? [blank_start]..[blank_end]
- ALMC 160,000 LY away
12Closest star and how many light years away[blank_start]?[blank_end]
- AAlpha Centauri and 3.3 LY away
13Hooke's Law [blank_start]is?[blank_end]
- AForce is proportional to stretch F=kx
14An object maintains its state of motion because it has
- Aweight
- Bspeed
- Cacceleration
- Dmass
- Enone of the above
15Describe briefly how Netwon's third law manifests itself for the Earth-Moon system[blank_start]...?[blank_end]
- AIf Earth has a foce so does the moon
16Pluto was discovered by: [blank_start]___[blank_end]
- AClyde Tombough 1929
17What was the name of Newton's book, published 20 years after his initial findings[blank_start]?[blank_end]
- APrincipia
18If the mass of an object does not change, a constant net force on the object produces constant
- Avelocity
- Bacceleration
- Cdisplacement
- Dvelocity and acceleration
19To move forward, WHY does a skateboarder push off against the ground instead of just pushing his body with his hand? [blank_start]------------[blank_end]
- ASkateboarder needs a net external force
20What was Tyco Brahe's major contribution to science?
- ACharted planets and stars daily for twenty years
- BWrote Principia
- CCreated telescope
- DOnly charted planets for twenty years
21[blank_start]State Newton's Three Laws of Motion[blank_end]
- ALaw of Intertia,Fnet=ma, Action/reaction
22Kepler's Three Laws of Planetary Motion? [blank_start]...[blank_end] [blank_start]...[blank_end] [blank_start]...[blank_end]
- A1. planets move ellipses around the sun
- B2. planets move faster closest to sun
- CT^2 x a^3 period/distance are proport.
23Define Mass
- AMeasure of space
- BMeasure of objects inertia
24Define weight
- AMeasure of the effect if gravity in an objects mass
- BMeasure of velocity on an objects mass
25Facts about Isaac Newton's Life
- AHad two siblings
- BBorn on Xmas, Built a working sun dial @ 6 years old, had several breakdowns, developed calculus
- CNever went to college, born on Halloween, live with grandpa
Information
- Description
- Physics Review
- Author
- Amber Garcia
- Language
- English
- Views
- 29
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