Physics Final Review 2019.

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Presentation transcript:

Physics Final Review 2019

Question # 1: choose ALL that apply Which situation would lead to a decrease in force? (could be gravity or electrostatics) A) Double the distance B) Double charge, double distance C) Half the distance, double the mass D) No changes E) Double the mass on both F) Cut the mass in half Question # 1: choose ALL that apply

Question # 2: Rank these from strongest to weakest

# 3: Why does this happen? A set of IDENTICAL triplets are in 3 different places in the world. All 3 places are the EXACT SAME elevation. They discover that their force of gravity is exactly the same. Why? A) Their scales are broken B) It was an accident C) Magic D) Their mass and distance to earth’s center are the same E) Not enough information to determine

# 4: Match that Unit A) m/s2 B) Tesla C) Hz D) AU E) N/C 1) Magnetic field 2) Electric field 3) Acceleration due to gravity 4) Frequency 5) Orbital radius 6) Gravitational field strength A) m/s2 B) Tesla C) Hz D) AU E) N/C

# 5. Speed Round. Answer all 5 A) When comparing orbital radii, what planet should you use (if it’s an available option)? B) Is there a place in the universe where gravity is zero? C) Who pulls with greater force: the earth or the moon? D) Same scenario, but what if we put a person halfway between the earth and the moon? Where would they go? E) What is larger: gravitational constant or electric constant?

Answers

Question # 1: choose ALL that apply Which situation would lead to a decrease in force? (could be gravity or electrostatics) A) Double the distance B) Double charge, double distance C) Half the distance, double the mass D) No changes E) Double the mass on both F) Cut the mass in half Question # 1: choose ALL that apply

Question # 2: Rank these from strongest to weakest D A or E C B

# 3: Why does this happen? A set of IDENTICAL triplets are in 3 different places in the world. All 3 places are the EXACT SAME elevation. They discover that their force of gravity is exactly the same. Why? A) Their scales are broken B) It was an accident C) Magic D) Their mass and distance to earth’s center are the same E) Not enough information to determine

# 4: Match that Unit A) m/s2 B) Tesla C) Hz D) AU E) N/C 1) Magnetic field B 2) Electric field E 3) Acceleration due to gravity A 4) Frequency C 5) Orbital radius D 6) Gravitational field strength A A) m/s2 B) Tesla C) Hz D) AU E) N/C

# 5. Speed Round. Answer all 5 A) When comparing orbital radii, what planet should you use (if it’s an available option)? Earth B) Is there a place in the universe where gravity is zero? Nowhere C) Who pulls with greater force: the earth or the moon? Equal D) Same scenario, but what if we put a person halfway between the earth and the moon? Where would they go? Towards earth E) What is larger: gravitational constant or electric constant?