14235977
Pregunta 1
Pregunta
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?
Respuesta
-
\(72^{0}\)
-
\(18^{0}\)
-
\(25^{0}\)
-
\(50^{0}\)
Pregunta 2
Pregunta
Which pair of vectors could produce a resultant of 35?
Respuesta
-
15 and 15
-
20 and 20
-
30 and 70
-
20 and 60
Pregunta 3
Pregunta
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
Respuesta
-
decreases
-
increases and then decreases
-
decreases and then increases
-
increases
Pregunta 4
Pregunta
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?
Respuesta
-
20
-
35
-
15
-
25
Pregunta 5
Pregunta
Three forces act concurrently on a point P as shown below. Which vector represents the direction of the resultant force on point P?
Respuesta
-
Image:A (binary/octet-stream)
-
Image:B (binary/octet-stream)
-
Image:C (binary/octet-stream)
-
Image:D (binary/octet-stream)
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.