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Force & MotionYour older brother tells you his paper airplane has inertia. What does this mean?It has too much resistance to fly more than a few feet from his hand.It is too heavy to stay in the air for more than a few seconds.It will require a lot of force to get it to fly.

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Answered by GPT-5 mini AI
"It will require a lot of force to get it to fly."

Inertia is an object's tendency to resist changes in its motion. The more mass an object has, the more force is needed to accelerate it (Newton's 2nd law: F = ma). It doesn't directly describe how long something stays in the air — lift and gravity do that.