Force and Motion
Flashcard
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an unbalanced force?
Back
An unbalanced force is a force that causes a change in the motion of an object. It occurs when the total forces acting on an object are not equal, resulting in acceleration.
Tags
NGSS.MS-PS2-2
2.
FLASHCARD QUESTION
Front
What is the net force when two forces act in opposite directions?
Back
The net force is the difference between the two forces. For example, if one person exerts 45 N to the left and another exerts 32 N to the right, the net force is 45 N - 32 N = 13 N to the left.
Tags
NGSS.HS-PS2-1
3.
FLASHCARD QUESTION
Front
What is a force?
Back
A force is a push or pull acting on an object that can cause it to change its velocity (speed or direction).
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
NGSS.MS-PS2-5
4.
FLASHCARD QUESTION
Front
What is friction?
Back
Friction is a force that opposes the motion of an object. It occurs when two surfaces come into contact with each other.
5.
FLASHCARD QUESTION
Front
What does acceleration mean?
Back
Acceleration refers to any change in the speed or direction of an object. It can occur when an object speeds up, slows down, or changes direction.
Tags
NGSS.MS-PS3-1
6.
FLASHCARD QUESTION
Front
What is inertia?
Back
Inertia is the tendency of an object to resist changes in its state of motion. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.
7.
FLASHCARD QUESTION
Front
What is gravitational force?
Back
Gravitational force is the attractive force between two objects due to their mass. It pulls objects toward each other, such as the Earth pulling objects toward its center.
Tags
NGSS.MS-PS2-4
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