
Understanding Forces on a Dam

Interactive Video
•
Physics
•
11th - 12th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason for using a rectangular dam in calculations?
It is more stable.
It is more realistic.
It is easier to construct.
It simplifies the mathematics.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term in Bernoulli's law is not applicable in the dam scenario?
Atmospheric pressure
Hydrostatic pressure
Dynamic pressure
Static pressure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does atmospheric pressure cancel out in the pressure calculation on the dam?
It only affects the surface of the water.
It acts equally on both sides of the dam.
It is not present in this scenario.
It is negligible compared to water pressure.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for hydrostatic pressure?
Density times gravity times height
Height times velocity
Density times velocity squared
Pressure times area
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of slicing the dam into thin sections?
To reduce the overall pressure
To simplify the construction process
To calculate the force on each section accurately
To increase the stability of the dam
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the area of each slice of the dam determined?
By its length and width
By its width and height
By its volume and density
By its pressure and height
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function for the width of the dam?
20 plus h
25 plus h
15 plus h
10 plus h
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