What is an unbalanced force?
S8P3B Newton's Laws/Vocabulary

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Science
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6th - 8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An unbalanced force is a force that causes an object to change its motion. For example, when a pencil is knocked to the ground, it is acted upon by an unbalanced force.
2.
FLASHCARD QUESTION
Front
What does Newton's 1st Law state?
Back
Newton's 1st Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
3.
FLASHCARD QUESTION
Front
What is Newton's 2nd Law?
Back
Newton's 2nd Law states that acceleration depends on two variables: the mass of the object and the amount of force applied. It can be summarized by the formula F=ma (Force = mass x acceleration).
4.
FLASHCARD QUESTION
Front
What is Newton's 3rd Law?
Back
Newton's 3rd Law states that for every action, there is an equal and opposite reaction.
5.
FLASHCARD QUESTION
Front
What is inertia?
Back
Inertia is the tendency of an object to resist a change in its motion. It means that an object will stay at rest or continue moving at a constant speed in a straight line unless acted upon by an unbalanced force.
6.
FLASHCARD QUESTION
Front
Which law is best described by inertia?
Back
Inertia is best described by Newton's 1st Law.
7.
FLASHCARD QUESTION
Front
What is the relationship between mass and acceleration according to Newton's 2nd Law?
Back
According to Newton's 2nd Law, the greater the mass of an object, the more force is needed to accelerate it.
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