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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
GUYMITCH

Time
5 mins

Type
Multiple Choice

Quiz #
65,594

Updated
Dec 03 21

# Qns
10

Difficulty
Difficult

Avg Score
5 / 10

Plays
7046

Last 3 plays: Guest 71 (3/10), Guest 69 (2/10), Guest 112 (5/10).

One at a Time - Single Page - Timed Game

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

4 fold increase

2 fold increase

8 fold increase

none of above

NEXT>

Question 2 of 10

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

mass and speed

height and mass

temperature and entropy

none of these

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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

80 meters per second squared

0 meters per second squared

8 meters per second squared

0.8 meters per second squared

NEXT>

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

all of the above

a) and d)

a) and c)

b) and c)

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Question 5 of 10

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

Micro-gravity

Counter-thrust

Frictionless glide

Free fall

NEXT>

Question 6 of 10

6. Speed is to velocity as ... Hint

force is to energy

friction is to work

flux is to field strength

distance is to displacement

NEXT>

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

50 J

About $20.00 worth

500 J

0 J

NEXT>

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

Same momentum, Volkswagen has more kinetic energy

Explorer all the way

Same momentum, same kinetic energy

Volkswagen all the way

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

4 times as fast

2 times as fast

16 times as fast

the same speed

NEXT>

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

60 meters

90 meters

45 meters

30 meters

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Dec 19 2024 : Guest 71: 3/10
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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)....

Answer: 4 fold increase

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?

Answer: mass and speed

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

Answer: a) and d)

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....

Answer: Free fall

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 ...

Answer: distance is to displacement

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...

Answer: 0 J

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!

Answer: 2 times as fast

Speed will depend on the square root of the energy so 2 is the square root of 4.

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 ...

Answer: 45 meters

It's 3 seconds to the top and the average speed is 15 meters per second so 45 meters.

Source: Author GUYMITCH

This quiz was reviewed by FunTrivia editor crisw before going online.
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