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9 Cards in this Set
- Front
- Back
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With reference to scalars and vectors, a space diagram: A) Illustrates the position of the planets and stars B) Illustrates a system of scalars C) Shows the relationship of the scalar to the vector D) Shows the relationship of time to the vector E) Illustrates a system of vectors
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E) Illustrates a system of vectors |
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Displacement is: A) Distanced divided by time B) Measured by the actual path the object travels C) How far an object has moved D) A vector quantity E) A scalar quantity
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D) A vector quantity |
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A scalar quantity has: A) Both magnitude and necessary units B) Necessary units only C) Both direction and numerical size of the quantity D) Numerical size of the quantity only E) Magnitude only |
A) Both magnitude and necessary units |
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The resultant of a system of vectors is: A) The single vector that can replace the system of vectors B) The sum of the magnitudes of the system vectors C) Equal to the largest vector in the system D) Equal to the smallest vector in the system E) The single vector that can replace the system of vectors and have the same effect |
E) The single vector that can replace the system of vectors and have the same effect |
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Coplanar vectors all occur in the same: A) Velocity B) Place C) Plane D) Magnitude E) Direction
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C) Plane |
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Find the magnitude and direction of 3 coplanar forces of:1. 40 N 45° east of south2. 10 N west3. 70 N 35° east of north A) 55 N 45º west of south B) 35 N 35º east of south C) 120 N west D) 100 N 25º east of south E) 65 N 60º east of north
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E) 65 N 60º east of north |
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A single vector which can replace a system of vectors and has the same effect is called a: A) Concurrent vector B) Resultant C) Concentric vector D) Coplanar vector E) Scalar |
B) Resultant |
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Displacement is: A) Measured by the actual path the object travels B) Distanced divided by time C) A vector quantity D) A scalar quantity E) How far an object has moved |
C) A vector quantity |
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Which of the following is not a scalar quantity? A) Time B) Length C) Volume D) Velocity E) Area |
D) Velocity |
