Energy Systems Clarified
Interactive Video
•
Physics, Science
•
11th Grade - University
•
Hard
Wayground Content
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines how work and energy are related in a system?
The size of the objects
The color of the objects
The objects defined as the system
The speed of the objects
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which force does not do work on the block when it is displaced?
Spring force
Kinetic friction
Normal force
Force of gravity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic equation relating work and energy?
Potential energy equals kinetic energy
Force equals mass times acceleration
Energy equals mass times velocity
Change in energy equals the net energy transferred
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the Earth is added to the system, how is the force of gravity classified?
Internal force
Frictional force
External force
Non-conservative force
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the work done by the spring force when the spring is part of the system?
It is included as elastic potential energy
It becomes an external force
It is converted to kinetic energy
It is ignored
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of non-conservative forces like friction in the system?
They do not affect energy
They convert energy into internal energy
They increase potential energy
They decrease kinetic energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the conservation of energy imply when the system includes everything?
Energy is created
Energy is destroyed
Energy is lost
Energy changes forms but is conserved
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