What is the normal force?
Forces and Free Body Diagrams

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Physics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The normal force acts perpendicular to a contact surface and opposes the weight of an object.
2.
FLASHCARD QUESTION
Front
What does the length of an arrow in a free body diagram represent?
Back
The length of the arrow shows the magnitude of the force.
3.
FLASHCARD QUESTION
Front
What force keeps objects on top of surfaces instead of letting them sink?
Back
Normal force.
4.
FLASHCARD QUESTION
Front
What is the relationship between normal force and weight?
Back
The normal force is often equal to the weight of an object when it is resting on a horizontal surface.
5.
FLASHCARD QUESTION
Front
What is tension force?
Back
Tension force is the force transmitted through a string, rope, or cable when it is pulled tight by forces acting from opposite ends.
6.
FLASHCARD QUESTION
Front
What is frictional force?
Back
Frictional force is the force that opposes the motion of an object when it is in contact with another surface.
7.
FLASHCARD QUESTION
Front
What is the role of free body diagrams?
Back
Free body diagrams are used to visualize the forces acting on an object, helping to analyze the object's motion.
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