Gravity Practice Flashcard
Flashcard
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is gravity?
Back
Gravity is a force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.
2.
FLASHCARD QUESTION
Front
What is air resistance?
Back
Air resistance is a force that opposes the motion of an object through the air, often affecting the speed and acceleration of falling objects.
3.
FLASHCARD QUESTION
Front
What is the SI unit of force?
Back
The SI unit of force is the newton (N).
4.
FLASHCARD QUESTION
Front
How does air resistance affect falling objects?
Back
Air resistance slows down falling objects, and its effect increases with the object's speed and surface area.
5.
FLASHCARD QUESTION
Front
What happens when air resistance equals gravity?
Back
When air resistance equals gravity, the object falls at a constant speed, known as terminal velocity.
6.
FLASHCARD QUESTION
Front
Why do objects weigh more on Earth than on the Moon?
Back
Objects weigh more on Earth due to the stronger gravitational pull compared to the Moon.
7.
FLASHCARD QUESTION
Front
What factors affect air resistance?
Back
Air resistance is affected by speed, size, and shape of the object, but not by its mass.
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