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# Physics Concepts Trivia Quiz

### This quiz is mostly concepts and math that can be done in your head if you know the concepts. Use g = 10 meters per second squared to make it easier.

A multiple-choice quiz by GUYMITCH. Estimated time: 5 mins.

Author
Time
5 mins
Type
Multiple Choice
Quiz #
65,594
Updated
Dec 03 21
# Qns
10
Difficulty
Difficult
Avg Score
5 / 10
Plays
6995
Last 3 plays: Guest 112 (5/10), Guest 180 (2/10), Guest 172 (3/10).
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Question 1 of 10
1. If you apply twice the force on an object for twice the time, there will be a change in velocity that will be a (an).... Hint

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Question 2 of 10
2. The amount of kinetic energy an object has depends upon what factors? Hint

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Question 3 of 10
3. If a 10kg object is pushed with a 20N force and there is a coefficient of friction of 0.4, what will the acceleration be? Hint

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Question 4 of 10
4. A real image is never created by a) concave lenses b) convex lenses c) concave mirrors d) convex mirrors Hint

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Question 5 of 10
5. The Space Shuttle, when orbiting the earth experiences.... Hint

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Question 6 of 10
6. Speed is to velocity as ... Hint

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Question 7 of 10
7. The amount of work done by a carpenter holding a 20kg sheet of drywall at 2.5 meters for 30 minutes is... Hint

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Question 8 of 10
8. Which has more momentum and, or kinetic energy, a 1000kg Volkswagen at 40.0 meters per second or a 4000kg Explorer at 10 meters per second ? Hint

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Question 9 of 10
9. A block is struck by a pendulum bob at the lowest point in its swing. How much faster will the block's initial speed be after being struck if the bob is swung from four times the height? Assume that the bob and the block have the same mass and the collision is perfectly elastic. Hint

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Question 10 of 10
10. If a rock is thrown straight up with an initial velocity of 30 meters per second, the rock will reach a height of approximately ... Hint

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Most Recent Scores
Feb 20 2024 : Guest 112: 5/10
Feb 18 2024 : Guest 180: 2/10
Feb 17 2024 : Guest 172: 3/10
Feb 16 2024 : Guest 72: 10/10
Feb 14 2024 : Guest 137: 3/10
Feb 10 2024 : Guest 112: 6/10
Jan 19 2024 : Guest 112: 3/10
Jan 17 2024 : Guest 112: 2/10
Jan 06 2024 : Guest 172: 2/10

Score Distribution

Quiz Answer Key and Fun Facts
1. If you apply twice the force on an object for twice the time, there will be a change in velocity that will be a (an)....

Force times time is equal to mass times change in velocity so there will be a 4 fold increase.
2. The amount of kinetic energy an object has depends upon what factors?

Kinetic energy is one- half times mass times the speed squared.
3. If a 10kg object is pushed with a 20N force and there is a coefficient of friction of 0.4, what will the acceleration be?

Answer: 0 meters per second squared

Because 0.4 times 100 N makes the friction greater than the force applied, the object doesn't move!
4. A real image is never created by a) concave lenses b) convex lenses c) concave mirrors d) convex mirrors

Real images can be presented on a screen, but not by convex mirrors or concave lenses.... these create virtual images.
5. The Space Shuttle, when orbiting the earth experiences....

The space shuttle is falling at the same rate as the earth falls away below it, so it doesn't crash into the earth, and is in continual free fall !
6. Speed is to velocity as ...

Speed and distance are Scalars. Displacement and velocity are vectors.
7. The amount of work done by a carpenter holding a 20kg sheet of drywall at 2.5 meters for 30 minutes is...

For physics work to be done a force must be moved a distance. No motion no work!
8. Which has more momentum and, or kinetic energy, a 1000kg Volkswagen at 40.0 meters per second or a 4000kg Explorer at 10 meters per second ?

Answer: Same momentum, Volkswagen has more kinetic energy

While they have the same momentum, the Volkswagen has 4 times the kinetic energy!
9. A block is struck by a pendulum bob at the lowest point in its swing. How much faster will the block's initial speed be after being struck if the bob is swung from four times the height? Assume that the bob and the block have the same mass and the collision is perfectly elastic.