Quiz about Gravitational Potential Energy

Question 1

Which would have the LEAST gravitational potential energy (GPE)?

Accepted Answer

A ball sitting on the ground

Answer

A book sitting on the corner of a desk

Answer

An airplane flying 30,000 feet above the ground

Answer

A rock sitting on top of Mt. Everest

Question 2

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

Accepted Answer

Raise the object farther off the ground

Answer

Make the object larger

Answer

Lower the object towards the ground

Answer

Allow the object to roll on the ground

Question 3

At which point does the ball has the greatest gravitational potential energy (GPE)?

Accepted Answer

A

Answer

G

Answer

D

Answer

C

Answer

G

Question 4

What kind of energy is in a rock at the edge of a cliff?

Accepted Answer

Gravitational Potential Energy

Answer

Kinetic Energy

Answer

Both potential and kinetic energy

Answer

none of the above

Question 5

Which object would have the greatest gravitational potential energy when thrown off of the roof of a building?

Accepted Answer

Bowling Ball

Answer

Apple

Answer

Pencil

Answer

Computer

Question 6

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 7

What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano? Let g = 9.8N/kg

Accepted Answer

5,220,411 J

Answer

532,695 J

Answer

73.7 J

Answer

54,356.6 J

Question 8

What is the gravitational potential energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s? Let g = 9.8N/kg

Accepted Answer

16,562 J

Answer

32,110 J

Answer

1690 J

Answer

172.4 J

Question 9

An Olympic high jumper, with a mass of 82 kg, has a maximum gravitational potential energy of 1970 J. How high was the jump?

Let g = 9.8N/kg

Accepted Answer

2.5 m

Answer

24 m

Answer

161,540 m

Answer

201 m

Question 10

One of the tallest radio towers is in Fargo, North Dakota. The tower is 629 m tall. If a bird lands on top of the tower, so that the gravitational potential energy associated with the bird is 2033 J, what is its mass? Let g = 9.8N/kg

Accepted Answer

0.330 kg

Answer

1,278,757 kg

Answer

12,531,819 kg

Answer

3.25 kg

Answer

0.309 kg

Question 11

How could you increase the object's gravitational potential energy (GPE) without changing its distance from the ground (height) and gravity?

Accepted Answer

Increase the object's mass

Answer

Decrease the object's mass

Answer

Increase the object's height

Answer

Decrease the object's height

Question 12

Which of the following scenarios would result in the highest gravitational potential energy?

Accepted Answer

A rock at the top of a 50-meter hill

Answer

A car parked at the bottom of a hill

Answer

A bird flying at 10 meters above the ground

Answer

A book on a table 1 meter high

Question 13

If the gravitational potential energy of an object is given by the formula $$U = mgh$$ , what does the variable $$h$$ represent?

Accepted Answer

The height above the reference point

Answer

The mass of the object

Answer

The gravitational force

Answer

The velocity of the object

Question 14

A 5 kg object is lifted to a height of 10 meters. What is its gravitational potential energy? (Assume $$g = 9.8 \, ext{m/s}^2$$ )

Accepted Answer

490 J

Answer

50 J

Answer

98 J

Answer

500 J

Question 15

Which of the following changes would decrease the gravitational potential energy of an object?

Accepted Answer

Decreasing its mass

Answer

Increasing its height

Answer

Moving it to a higher altitude

Answer

Increasing the gravitational force

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