A hand pushes three identical bricks as shown. The bricks are moving to the left and speeding up. System A consists of two bricks stacked together. System B consists of a single brick. System C consists of all three bricks. There is friction between the bricks and the table.
A hand pushes three identical bricks as shown. The bricks are moving to the left and speeding up. System A consists of two bricks stacked together. System B consists of a single brick. System C consists of all three bricks. There is friction between the bricks and the table.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Any help appreciated! Thanks! I am not sure if I did the first one right either.
![Mech Newton's second and third laws
HW-42
3. A hand pushes three identical bricks as shown. The bricks are
moving to the left and speeding up. System A consists of two
bricks stacked together. System B consists of a single brick.
System C consists of all three bricks. There is friction between
the bricks and the table.
a.
In the spaces
provided at right,
draw and label
separate free-body
diagrams for
systems A and B.
C.
RAD
Free-body diagram for
system A
NA
Ñ₂
Zm
2mg
b. The vector representing the acceleration of system A is shown at
right. Draw the acceleration vectors for systems B and C using the
same scale. Explain.
BH
The vector representing the net force on system A is shown at right.
Draw the net force vectors for systems B and C using the same scale.
Explain.
F
Ñ
BA
A
Free-body diagram for
system B
NB
Explain how you knew to draw the force vectors as you did.
mg
B
d. The vector representing the frictional force on system A is shown below. Draw the
remaining force vectors using the same scale.
ÑAB
JAT
Acceleration of A
RAB
FB
Acceleration of B
Acceleration of C
Net force on A
کچھ
Net force on B
ĴAT
Net force on C
++](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F912d3f8e-4d41-4f73-9633-57a0cb1f1db1%2Fa4809cae-3019-4cda-ae74-8bf7ab661d30%2Fg1r8n7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Mech Newton's second and third laws
HW-42
3. A hand pushes three identical bricks as shown. The bricks are
moving to the left and speeding up. System A consists of two
bricks stacked together. System B consists of a single brick.
System C consists of all three bricks. There is friction between
the bricks and the table.
a.
In the spaces
provided at right,
draw and label
separate free-body
diagrams for
systems A and B.
C.
RAD
Free-body diagram for
system A
NA
Ñ₂
Zm
2mg
b. The vector representing the acceleration of system A is shown at
right. Draw the acceleration vectors for systems B and C using the
same scale. Explain.
BH
The vector representing the net force on system A is shown at right.
Draw the net force vectors for systems B and C using the same scale.
Explain.
F
Ñ
BA
A
Free-body diagram for
system B
NB
Explain how you knew to draw the force vectors as you did.
mg
B
d. The vector representing the frictional force on system A is shown below. Draw the
remaining force vectors using the same scale.
ÑAB
JAT
Acceleration of A
RAB
FB
Acceleration of B
Acceleration of C
Net force on A
کچھ
Net force on B
ĴAT
Net force on C
++
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