SSA Review - Energy Transfer
Quiz by Katie Heter
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- Q 1/17Score 0
What happens between Point C and Point E?
29The total energy of the ball decreases
Potential energy is converted to kinetic energy
The total energy of the ball increases
Kinetic energy is converted to potential energy
- Q1
What happens between Point C and Point E?
The total energy of the ball decreases
Potential energy is converted to kinetic energy
The total energy of the ball increases
Kinetic energy is converted to potential energy
300s - Q2
Which force changes the direction of the ball’s motion at Point C?
gravity
friction
magnetic force
the student's push
300s - Q3
A student states that the total energy of the ball is greatest at Point C. Is this student correct?
Yes, the kinetic energy is greatest at Point C, which means its total energy is the greatest at this position as well
Yes, the potential energy is greatest at Point C, which means its total energy is the greatest at this position as well
No, the potential energy is greatest at this point, but the total energy is the same at all of the points shown
No, the total energy is greatest at Points A and E
300s - Q4
According to the Law of Conservation of Energy, we know that energy can neither be created nor destroyed. Knowing this, what can you conclude about the energy used by the lamp?
The lamp uses more energy than only what it is receiving from the solar panel
Once the lamp has been turned on, the energy it gives off is destroyed
The lamp’s mechanical energy does not have a known source
The lamp’s mechanical energy comes from the electrical energy from the solar panel, which comes from the sun’s radiant energy
300s - Q5
Which are NOT examples of kinetic energy?
The electrical energy of the solar panel powering the lamp
The radiant energy of the sun charging the solar panel
The chemical energy stored in the grass and the apples
The mechanical energy of the wind making the kite fly
300s - Q6
Which energy transformation is taking place in the grass and tree in the model above?
transforming radiant energy into mechanical energy
transforming the sun’s kinetic energy into stored potential energy
transforming mechanical energy into electrical energy
transforming chemical energy into mechanical energy
300s - Q7
Maria turned on the phone with the power button. The phone vibrated and played a short tune when the screen began to load. What energy transformations occurred to make the phone vibrate?
Mechanical energy was transformed into electrical energy that was transformed into sound energy
Mechanical energy was transformed into electrical energy that was transformed into energy of motion
Electrical energy was transformed into mechanical energy that was transformed into energy of motion
Electricalenergy was transformed into mechanical energy that was transformed into soundenergy
300s - Q8
Maria noticed that the charge on the battery lasted longer when the phone was used just for talking. The phone had to be recharged more often when it was used to connect to the internet or play a game. Maria’s brother complained that some of the phone’s energy was being destroyed when this happened. Why was the brother’s statement incorrect?
The energy can be replaced by transforming electrical energy into chemical energy as the battery recharges
The games on the phone use up the energy because the screen stays on longer than normal
The energy is being destroyed when it is converted to the light energy used by the screen
Some of the energy was changed into heat instead of being transformed into electrical energy that the phone can use
300s - Q9
One of the energy transformations that occurs in the phone is the transformation of sound energy into electrical energy. Based on the diagram, in what part of the phone does this take place?
in the speaker
in the microphone
in the headphone jack
in the volume control
300s - Q10
What sort of energy transformation is taking place?
Heat moves from a cooler object to a warmer one
Kinetic energy transforms to potential energy
Light energy transforms to heat
Electrical energy transforms to heat to make Ms. Bailey tea.
300s - Q11
Which of the following statements best describes the energy involved in archery
Some heat energy from the Wyatt's muscles is transferred to the arrow, but some is lost to the surroundings
The potential energy of the arrow is transformed into the muscle energy Wyatt requires to release the arrow
Potential energy stored in the bow string and in Wyatt's muscles is transformed into the kinetic energy of the moving arrow
The amount of kinetic energy in the moving arrow increases as the arrow gets closer to the target
300s - Q12
What can Cordel and Rian conclude about the ball when it is at Position 2?
It has the slowest speed of any point on the diagram
It has more potential energy than it does at Position 4
It has more kinetic energy than at any other labeled position
It contains only potential energy
300s - Q13
At what point in this car’s motion is kinetic energy being converted to potential energy?
from Point 1 to Point 2 only
from Point 2 to Point 3 only
from Point 1 to Point 2 and Point 2 to Point3
from Point 3 to Point 4 only
30s - Q14
What happens to the kinetic energy of Lilac and sled as they travel down the hill and eventually slow down?
It is transformed into thermal energy and sound energy due to friction with the ground and air
It increases and remains as kinetic energy until the sled and rider encounter a force in the opposite direction
It is converted back to potential energy
It is lost to the environment as a whooshing sound
30s - Q15
After Bella’s first push at Point A, Brenden’s potential energy is greater at
Point C than when he swings back to Point A because
Some of the kinetic energy Brenden has between Point C and Point A is transformed into heat and sound due to friction
Gravity is stronger as it pulls Brenden through Point B the first time than it is when it pulls him through the same point on the way back toward Bella
Brenden’s momentum at Point C produces a pull force against the swing that takes away from his potential energy after that point
Bella provided energy in the form of a push at Point A, but that energy is lost at the opposite end of the swing (Point C)
300s
