What is Inertia?
Newton's Law and Forces

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Inertia is the tendency of an object to resist changes in its state of motion. The more mass an object has, the more inertia it has.
2.
FLASHCARD QUESTION
Front
Which has more Inertia: an 18 Wheeler, an Ant, a Car, or a Skateboard?
Back
An 18 Wheeler has more inertia because it has more mass.
3.
FLASHCARD QUESTION
Front
What is an unbalanced force?
Back
An unbalanced force is a force that causes an object to change its motion. It is not equal in size and opposite in direction to other forces acting on the object.
4.
FLASHCARD QUESTION
Front
What is the formula for Force?
Back
F = MA (Force equals mass times acceleration).
5.
FLASHCARD QUESTION
Front
What is Newton's 1st Law of Motion?
Back
An object at rest stays at rest, and an object in motion stays in motion at a constant velocity unless acted upon by an unbalanced force.
6.
FLASHCARD QUESTION
Front
What is Newton's 2nd Law of Motion?
Back
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F = MA).
7.
FLASHCARD QUESTION
Front
What is Newton's 3rd Law of Motion?
Back
For every action, there is an equal and opposite reaction.
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