aa A prybar is used to remove a nail as shown. De termine the moment of the 240-N furce about the peint O of contact between the prybar and the amall suppert block 240N aso PROBLEM 2/3

Elements Of Electromagnetics
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ChapterMA: Math Assessment
Section: Chapter Questions
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2:56 90 0t O
V all
22
classroom.google.com/u/ A
ميكانيك هندسي
Sgall LKs
23 A prybar is used to remove a nail as shown. De-
termine the moment of the 240-N force about the peint
O of contact between the prybar and the amall support
block.
16m
240 N
16m
aso mm
PROBLEM 2/3s
2/ A man exerts a force Fon the handle of the stationary
wheelbarrow at A. The weight of the wheelbarrow along
with ita load of dirt in 185 Ib with center of gravity at G. For
the configuration shown, what force must the man apply
at A to make the net moment about the tie cuntact point B
equal te ero?
30 mm
PROBLEM 2/33
Representative Problems
a34 An overhead view of a door is shown. If the com-
pressive ferce aeting in the coupler arm of the hy
draulic door elaser is 17 Ib with the arientation ahown,
determine the moment of this force about the hinge
axis 0.
20
PROBLEM 2/3s
a7 A 150-N pull Tin applied to a cord, which is wound
securely around the inner hub of the drum. Determine the
moment of T about the drum center C. At what angle
should T be applied so that the moment about the contact
point Pis zero?
T-150N
17
PROBLEM 2/34
cf
209mm
2/3s The 30-N fore Pis applied perpendieular to the por-
timn BC of the bent bar Determine the momenta of Pabout
point B and about point A.
PROBLEM 2/37
تعليقات خاصة
Karrar KA JI las als|
Transcribed Image Text:2:56 90 0t O V all 22 classroom.google.com/u/ A ميكانيك هندسي Sgall LKs 23 A prybar is used to remove a nail as shown. De- termine the moment of the 240-N force about the peint O of contact between the prybar and the amall support block. 16m 240 N 16m aso mm PROBLEM 2/3s 2/ A man exerts a force Fon the handle of the stationary wheelbarrow at A. The weight of the wheelbarrow along with ita load of dirt in 185 Ib with center of gravity at G. For the configuration shown, what force must the man apply at A to make the net moment about the tie cuntact point B equal te ero? 30 mm PROBLEM 2/33 Representative Problems a34 An overhead view of a door is shown. If the com- pressive ferce aeting in the coupler arm of the hy draulic door elaser is 17 Ib with the arientation ahown, determine the moment of this force about the hinge axis 0. 20 PROBLEM 2/3s a7 A 150-N pull Tin applied to a cord, which is wound securely around the inner hub of the drum. Determine the moment of T about the drum center C. At what angle should T be applied so that the moment about the contact point Pis zero? T-150N 17 PROBLEM 2/34 cf 209mm 2/3s The 30-N fore Pis applied perpendieular to the por- timn BC of the bent bar Determine the momenta of Pabout point B and about point A. PROBLEM 2/37 تعليقات خاصة Karrar KA JI las als|
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