What is an unbalanced force?
4th Grade Forces of Flight

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Science
•
3rd - 4th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An unbalanced force is a force that causes an object to change its motion, such as turning or speeding up.
2.
FLASHCARD QUESTION
Front
What happens when an aircraft experiences an unbalanced force?
Back
The aircraft turns.
3.
FLASHCARD QUESTION
Front
What is a balanced force?
Back
A balanced force occurs when two forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.
4.
FLASHCARD QUESTION
Front
What kind of force is shown in a picture of an aircraft flying straight?
Back
Balanced force.
5.
FLASHCARD QUESTION
Front
What is drag?
Back
Drag is a force that slows an aircraft down as it moves through the air.
6.
FLASHCARD QUESTION
Front
What is lift?
Back
Lift is the force that pushes an aircraft upward, allowing it to rise into the air.
7.
FLASHCARD QUESTION
Front
What is weight in terms of forces acting on an aircraft?
Back
Weight is the force that pulls down on the aircraft due to gravity.
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