Any change in velocity is called ___________.
The Second Law of Motion

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Physics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
acceleration
2.
FLASHCARD QUESTION
Front
Fnet = mass * acceleration. A 20 kg bike accelerates to the left at 10 m/s². What is the net force acting upon it?
Back
200 Newtons to the left
3.
FLASHCARD QUESTION
Front
What is the unit for acceleration?
Back
m/s²
4.
FLASHCARD QUESTION
Front
A unbalanced force on an object means that an object is ___________.
Back
changing its motion
5.
FLASHCARD QUESTION
Front
What unit do we measure force in?
Back
Newtons
6.
FLASHCARD QUESTION
Front
What is the Second 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.
7.
FLASHCARD QUESTION
Front
If a 10 kg object experiences a net force of 50 N, what is its acceleration?
Back
5 m/s²
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