Scelta multipla
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2. 1D Motion / Kinematics
Vectors, Scalars, & Displacement
Scelta multipla
Which property distinguishes a from a ?
A
A has both magnitude and direction, while a has only magnitude.
B
A has mass, while a does not.
C
A has only direction, while a has only magnitude.
D
A has only magnitude, while a has both magnitude and direction.
Guida verificata passo dopo passo1
Understand the definitions: A scalar quantity is described completely by its magnitude (a numerical value) alone, such as temperature or mass.
Recognize that a vector quantity requires both magnitude and direction to be fully described, such as velocity or force.
Note that the key difference lies in the directional component; vectors have direction, scalars do not.
Recall that mass is a scalar quantity, so the presence of mass does not distinguish vectors from scalars.
Summarize that the distinguishing property of a vector is that it has both magnitude and direction, whereas a scalar has only magnitude.
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