What keeps an airplane in the air according to the concept of net force?

Understanding Airplane Flight

Interactive Video
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Physics, Science
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7th - 12th Grade
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Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The airplane is moving at a constant speed.
The airplane's engines are turned off.
There is no net force acting on the airplane.
The airplane's weight is greater than the lift.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do airplanes ensure that the undersides of the wings encounter more air molecules?
By curving the wings and inclining them slightly.
By having a flat wing design.
By flying at a lower altitude.
By increasing the weight of the airplane.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of an airplane's wings?
To reduce the airplane's weight.
To create lift by manipulating air pressure.
To provide thrust.
To increase the airplane's speed.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the pressure on the top of the wing when an airplane is in motion?
It decreases due to fewer air molecules striking it.
It increases due to the airplane's speed.
It remains the same as when the airplane is stationary.
It increases due to more air molecules striking it.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the shape of the wings affect the airplane's lift?
Flat wings provide more lift.
Wing shape has no effect on lift.
Curved wings reduce lift.
Curved wings increase lift by affecting air pressure.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of the pressure difference on the wings during flight?
It causes the airplane to descend.
It creates lift, allowing the airplane to rise.
It has no effect on the airplane's altitude.
It increases the airplane's speed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do engines play in an airplane's flight?
They decrease the airplane's speed.
They create thrust by pushing air backwards.
They provide lift by pushing air upwards.
They increase the airplane's weight.
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