What is a Free Body Diagram?
Free Body Diagrams

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Physics
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
A Free Body Diagram (FBD) is a graphical representation used to visualize the forces acting on an object. It shows all the external forces acting on the body, allowing for analysis of the object's motion.
2.
FLASHCARD QUESTION
Front
What does the weight force represent in a Free Body Diagram?
Back
The weight force represents the gravitational force acting on an object, directed downward towards the center of the Earth. It is calculated as the mass of the object multiplied by the acceleration due to gravity (W = mg).
3.
FLASHCARD QUESTION
Front
What is the normal force in a Free Body Diagram?
Back
The normal force is the support force exerted by a surface perpendicular to the object resting on it. It counteracts the weight force and prevents the object from falling through the surface.
4.
FLASHCARD QUESTION
Front
What is the spring force?
Back
The spring force is the force exerted by a compressed or stretched spring, described by Hooke's Law (F = -kx), where k is the spring constant and x is the displacement from the equilibrium position.
5.
FLASHCARD QUESTION
Front
What is the frictional force?
Back
The frictional force is the force that opposes the relative motion of two surfaces in contact. It can be static (preventing motion) or kinetic (resisting motion).
6.
FLASHCARD QUESTION
Front
What is the buoyant force?
Back
The buoyant force is the upward force exerted by a fluid on an object submerged in it, equal to the weight of the fluid displaced by the object, as described by Archimedes' principle.
7.
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.
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