Question #1: A rigid body is acted upon by the five forces (Newtons) listed below. The position vectors listed are radii (meters) from the origin of a Cartesian coordinate system to the point of contact of each force on body B. (a) What is the sum of the forces and moments on the rigid body? (b) Explain why the rigid body is not in static equilibrium. (c) Suppose you could apply two additional forces to the rigid body, one force (F1) acting at point (1,0,0 ) meters and the other force (F2) acting at (4,0,0) meters. Suppose these two forces could put the rigid body into static equilibrium. What are the vector expressions for F1 and F2? • force 1: 2i + 3j - 5k, position vector to point of application1: -i + j • force 2: 7i - 2k, position vector to point of application2: j - k • force 3: 7i - 2k, position vector to point of application3: i -j • force 4: -i - 3j + 5k, position vector to point of application4: i - k • force 5: -14i + 4k, position vector to point of
Question #1: A rigid body is acted upon by the five forces (Newtons) listed below. The position vectors listed are radii (meters) from the origin of a Cartesian coordinate system to the point of contact of each force on body B. (a) What is the sum of the forces and moments on the rigid body? (b) Explain why the rigid body is not in static equilibrium. (c) Suppose you could apply two additional forces to the rigid body, one force (F1) acting at point (1,0,0 ) meters and the other force (F2) acting at (4,0,0) meters. Suppose these two forces could put the rigid body into static equilibrium. What are the vector expressions for F1 and F2? • force 1: 2i + 3j - 5k, position vector to point of application1: -i + j • force 2: 7i - 2k, position vector to point of application2: j - k • force 3: 7i - 2k, position vector to point of application3: i -j • force 4: -i - 3j + 5k, position vector to point of application4: i - k • force 5: -14i + 4k, position vector to point of
Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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
Transcribed Image Text:Question #1: A rigid body is acted upon by the five
forces (Newtons) listed below. The position vectors
listed are radii (meters) from the origin of a Cartesian
coordinate system to the point of contact of each
force on body B.
(a) What is the sum of the forces and moments on the
rigid body?
(b) Explain why the rigid body is not in static
equilibrium.
(c) Suppose you could apply two additional forces to
the rigid body, one force (F1) acting at point (1,0,0 )
meters and the other force (F2) acting at (4,0,0)
meters. Suppose these two forces could put the rigid
body into static equilibrium. What are the vector
expressions for F1 and F2?
• force 1: 2i + 3j - 5k, position vector to point of
application1: -i +j
• force 2: 7i - 2k, position vector to point of
application2: j - k
• force 3: 7i - 2k, position vector to point of
application3: i - j
• force 4: -i - 3j + 5k, position vector to point of
application4: i - k
• force 5: -14i + 4k, position vector to point of
application5: 2j - k
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