Workshop-6/20
Authored by Tanvir Singh
Science
University
Used 1+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is an example of kinetic energy
A compressed spring
A charged battery
A book resting on a table
A rolling ball
Answer explanation
Kinetic energy is the energy of an object in motion
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the definition of Potential energy
The energy stored in an object due to its position or state
The energy transferred between objects due to temperature change
The energy an object possesses due to its motion
The energy produced by the flow of electric charge
Answer explanation
Potential energy is stored energy
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is NOT an example of potential energy
A rock at the top of a hill
A compressed spring
A stretched bowstring
A car speeding down the highway
Answer explanation
Potential energy is stored energy. Once an object begins moving, the potential energy is converted to kinetic energy
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is NOT a type of system in thermodynamics
Dynamic
Isolated
Closed
Open
Answer explanation
There are only 3 types of systems: Open, closed, and isolated
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
All living organisms are considered as what type of system
Isolated
Closed
Open
Dynamic
Answer explanation
Living organisms exchange both energy and matter with their surroundings
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which type of system does not exchange matter or energy with its surroundings
Closed
Open
Isolated
None of the Above
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A sealed pot of boiling water on a stove, where steam cannot escape but heat is transferred to the surroundings, is an example of which type of system?
Closed
Open
Isolated
None of the Above
Answer explanation
This is a closed system because the sealed pot ensures that no steam (matter in this case) is able to escape so there is no mass exchange with the surroundings. However the heat is transferred to the surroundings, so energy is exchanged in this scenario.
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