

Understanding Mechanical Energy and Conservation
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Easy
Jennifer Brown
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is total mechanical energy composed of?
The sum of kinetic and potential energy
Only potential energy
Only kinetic energy
The difference between kinetic and potential energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a conservative system, what happens to the total mechanical energy?
It fluctuates randomly
It remains constant
It decreases over time
It increases over time
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of a conservative system?
Constant temperature
Presence of friction
Variable mass
Absence of friction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the given example, what is the mass of each object?
5 kilograms
15 kilograms
20 kilograms
10 kilograms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial potential energy of each object in the example?
250 joules
500 joules
750 joules
1000 joules
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial kinetic energy of the objects before they start moving?
1000 joules
500 joules
250 joules
0 joules
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As the objects fall, what happens to their potential energy?
It increases
It decreases
It remains constant
It fluctuates
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