Scalar And Vector Quantities - SS1 Physics Past Questions and Answers - page 4
31
In a right-angled triangle, the vertical component of a vector is given by:
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A
The magnitude of the vector multiplied by the sine of the angle.
B
The magnitude of the vector multiplied by the cosine of the angle.
C
The magnitude of the vector divided by the sine of the angle.
D
The magnitude of the vector divided by the cosine of the angle.
32
In a right-angled triangle, the horizontal component of a vector is given by:
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A
The magnitude of the vector multiplied by the sine of the angle.
B
The magnitude of the vector multiplied by the cosine of the angle.
C
The magnitude of the vector divided by the sine of the angle.
D
The magnitude of the vector divided by the cosine of the angle.
33
The sum of the components of a vector is equal to:
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A
The magnitude of the vector.
B
The direction of the vector.
C
The vector itself.
D
The magnitude and direction of the vector.
34
When resolving a vector into components, the magnitude of the resultant vector is equal to:
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A
The sum of the magnitudes of the components.
B
The difference of the magnitudes of the components.
C
The product of the magnitudes of the components.
D
The division of the magnitudes of the components.
35
When resolving a vector into components, the direction of the resultant vector is determined by:
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A
The magnitudes of the components.
B
The difference of the magnitudes of the components.
C
The product of the magnitudes of the components.
D
The angle between the vector and the coordinate axes.
36
The resolution of a vector into its components is a useful technique in:
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A
Vector addition.
B
Vector subtraction.
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C
Vector multiplication.
D
Vector division.
37
The resolution of a vector into its components is most commonly used in which branch of physics?
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A
Mechanics.
B
Thermodynamics.
C
Optics.
D
Electricity and magnetism.
38
The resolution of a vector into its components allows for the analysis of:
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A
Motion in one dimension.
B
Motion in two dimensions.
C
Motion in three dimensions.
D
Motion in any number of dimensions.
39
A force vector F has a magnitude of 10 N and is directed at an angle of 60 degrees with the x-axis. Resolve the force vector into its x and y components.
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40
A displacement vector D has a magnitude of 12 m and is directed at an angle of 45 degrees with the positive x-axis. Resolve the displacement vector into its x and y components
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