14235977
Frage 1
Frage
A vector is given by its components, \(A_{x} = 2.5\) and \(A_{y} = 7.5\). What angle does vector \(\mathbf{A}\) make with the positive x-axis?
Antworten
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\(72^{0}\)
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\(18^{0}\)
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\(25^{0}\)
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\(50^{0}\)
Frage 2
Frage
Which pair of vectors could produce a resultant of 35?
Antworten
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15 and 15
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20 and 20
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30 and 70
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20 and 60
Frage 3
Frage
As the angle between a given vector and the horizontal axis increases from \(0^{0}\) to\( 90^{0}\), the magnitude of the vertical component of this vector
Antworten
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decreases
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increases and then decreases
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decreases and then increases
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increases
Frage 4
Frage
Vector \( \mathbf{A}\) has a magnitude of 10 units and makes and angle of \(30^{0}\) with the horizongal x-axis. Vector \(\mathbf{B}\) has a magnitude of 25 units and makes an angle of \(50^{0}\) with the negative x-axis. What is the magnitude of the resultant between these two vectors?
Antworten
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20
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35
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15
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25
Frage 5
Frage
Three forces act concurrently on a point P as shown below. Which vector represents the direction of the resultant force on point P?
Antworten
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Image:A (binary/octet-stream)
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Image:B (binary/octet-stream)
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Image:C (binary/octet-stream)
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Image:D (binary/octet-stream)
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