Gravitational Energy Quiz Questions
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This is the first of 5 short quizzes that you must pass with an A in order to take the final exam.
- 1.The amount of potential gravitational energy possessed by an object not is proportional to
- A.
Height
- B.
Speed
- C.
Mass
- D.
Gravity
- 2.The amount of matter in an object
- A.
Weight
- B.
Gravity
- C.
Acceleration
- D.
Mass
- 3.The force of gravity acting on an objects mass
- A.
Weight
- B.
Work
- C.
Mass
- D.
Acceleration
- 4.What type of motion is shem by a flat line on a velocity vs time graph?
- A.
At rest
- B.
Constant velocity
- C.
Acceleration
- 5.What type of motion is shown by a curved line on a position vs time graph
- A.
At rest
- B.
Constant velocity
- C.
Acceleration
- 6.What is the net force on an object that is being pushed with 80N of force but has 10N of friction acting on it?
- A.
80N
- B.
10N
- C.
90N
- D.
70N
- 7.What is the net force on an object that has a 45 N force and a 10N force acting int he same direction?
- A.
45N
- B.
10N
- C.
35N
- D.
55N
- 8.What is the acceleration of an object whose net force is 150N and has a mass of 25kg
- A.
5N
- B.
6N
- C.
6m/s/s
- D.
10m/s/s
- 9.Which law states every action force has an equal and opposite reaction force?
- A.
Newtons 1st law
- B.
Newtons 2nd law
- C.
Newtons 3rd law
- 10.As a ball falls, the action force is the pull of Earth's mass down on the ball. What is the reaction force?
- A.
The pull of the ball up on the Earth
- B.
Air resistance acting against the ball
- C.
Nonexistent in this case
- D.
The acceleration of the ball
- 11.How does acceleration of an object change in relation to its mass?
- A.
Directly proportional.
- B.
Acceleration doesn't depend on mass at all.
- C.
Inversely proportional.
- 12.If the force acting on a cart doubles, what happens to the cart's acceleration
- A.
It quarters.
- B.
It halves.
- C.
It stays the same.
- D.
It doubles.
- 13.In physics, work is defined as
- A.
Force times time.
- B.
Force divided by distance.
- C.
Distance divided by time.
- D.
Force divided by time.
- E.
Force times distance.
- 14.What type of motion is shown by a flat line on a distance vs time graph?
- A.
At rest
- B.
Constant velocity
- C.
Acceleration
- 15.The attractice force between two masses
- A.
Acceleration
- B.
Friction
- C.
Gravity
- D.
Normal
- 16.The slope of a velocity vs time graph is
- A.
Distance
- B.
Time
- C.
Velocity
- D.
Acceleration
- 17.The spedometer on a car tells you the cars
- A.
Instantaneous speed
- B.
Average speed
- C.
Acceleration
- D.
Velocity
- 18.What is the slope of a distance vs time graph?
- A.
Distance
- B.
Time
- C.
Velocity
- D.
Acceleration
- 19.Which of the following are scalar?
- A.
Displacement
- B.
Distance
- C.
Speed
- D.
Velocity
- E.
Acceleration
- 20.What is your average speed if you travel 125 miles in 5 hours?
- A.
4miles per hour
- B.
5 hours
- C.
25 miles per hour
- D.
25 miles/s/s
- E.
4 miles
- 21.
![- ProProfs]()
- A.
Option 1
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- B.
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- C.
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- D.
Option 4
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- 22.A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?
- A.
4.20 m
- B.
52.5 m
- C.
105 m
- D.
158 m
- 23.A 5.000 kg crate is accelerated from 5.000 m/s to 10.00 m/s. What is the amount of work needed to accelerate the crate, to the nearest tenth of a joule?
- 24.Radar works by sending out radio signals. The reflected signals are measured and analyzed to determine some of the characteristics of the object that reflected the signals. One type of radar emits radio signals having a wavelength of 1.5 meters. What is the frequency of these signals?
- A.
1.5 x 10^8 HZ
- B.
2.0 x 10^8 HZ
- C.
2.5 x 10^8 HZ
- D.
3.0 x 10^8 HZ
- 25.Using a diffraction grating, a student looks at an incandescent lightbulb and a hydrogen-gas–discharge tube. Why does the student see fewer colors from the hydrogen-gas–discharge tube than from the incandescent lightbulb?
- A.
Hydrogen gas is invisible and does not reflect light.
- B.
Hydrogen atoms contain only one electron.
- C.
Only certain electron transitions are possible in a hydrogen atom.
- D.
Hydrogen gas changes in the presence of light.
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