Exercise
Gravity and Earth Action-Reaction Pairs
In this engaging exercise, students will explore the fascinating relationship between gravity and Newton's Third Law of Motion by investigating action-reaction pairs in nature, conducting hands-on experiments to observe how forces interact, and ultimately applying their findings to real-world scenarios on Earth.
Questions
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MultiChoice
Earth pulls down on a falling apple with gravitational force. What is the reaction force?
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MultiChoice
Earth exerts a gravitational pull on an orbiting satellite. What is the reaction force?
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MultiChoice
If a student weighs 500 N on Earth, how much gravitational force does the student exert on Earth?
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MultiChoice
When a skydiver falls toward Earth, why does the skydiver accelerate noticeably while Earth's acceleration toward the skydiver is unnoticeable?
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MultiChoice
Earth pulls the Moon in its orbit. What is the reaction force in this pair?
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MultiChoice
How does the force Earth exerts on the Moon compare to the force the Moon exerts on Earth?
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MultiChoice
A person sitting on a chair feels Earth pulling them down with 700 N of gravity. What is the reaction force to this gravitational pull?
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MultiChoice
A heavy brick rests on a high shelf. Earth pulls down on the brick. The reaction force to Earth's gravitational pull is:
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MultiChoice
Which property applies to gravitational action-reaction pairs?
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MultiChoice
The gravitational pull of Earth on the Sun is:
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MultiChoice
Which pair represents a true Newton's Third Law gravitational pair for a falling raindrop?
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MultiChoice
Does Newton's Third Law apply to non-contact forces like gravity?