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In the context of Types of Forces & Free Body Diagrams, what best describes a force diagram (free-body diagram)?
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6. Intro to Forces (Dynamics)
Types Of Forces & Free Body Diagrams
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In the context of types of forces and free-body diagrams, what two aspects of a force do scientists measure?
A
Magnitude and direction
B
Speed and acceleration
C
Work and power
D
Mass and volume
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Understand that a force is a vector quantity, which means it has both magnitude and direction.
Recall that when scientists measure a force, they need to know how strong the force is, which is its magnitude, typically measured in newtons (N).
Also, scientists must determine the direction in which the force is applied, because the effect of a force depends on its direction relative to other forces.
Recognize that other options like speed and acceleration, work and power, or mass and volume are different physical quantities and not aspects of a force itself.
Therefore, the two key aspects of a force that scientists measure are its magnitude and direction.
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