課程名稱︰應用力學
課程性質︰必修
課程教師︰蔡丁貴 教授
開課學院：工學院
開課系所︰土木系
考試日期（年月日）︰2007.11.21
考試時限（分鐘）：120 min, 最多可延長30 min
是否需發放獎勵金：是 謝謝
試題 :
1.
Determine the force in each member of the truss shown. State whether each
member is in tension or compression.
(20%)
fig. P6.157 (P.346)
2.
Two loads are suspended as shown from cable ABCD. Knowing that dc=1.5 ft,determine
(a) the distance db,
(b) the components of the rection at A,
(c) the maximum tension in the cable.
(20%)
因為無法打出【下標】，故以此顏色標示代表之
fig. P7.88 (P.391)
3.
Block A supports a pipe column and rests as shown on wedge B. Knowing that
the coefficient of static friction ata ll surfcaes of contects is 0.25 and
that θ=45°, determine the smallest force P required to raise block A.
(20%)
fig. P8.52 (P.437)
4.
Two scylinders are connected by a rope that passes over two fixed rods as
shown. Knowing that the coefficient of static friction between the rope and
the rod is 0.40, determine the range of values of mass m of cylinder D for
which equilibrium is maintained.
(20%)
fig. P8.137 (P.465)
5.
Determine the monment of inertia and radius of gyration of the shaded area
with respect to the x axis.
(20%)
fig. P9.31 (P.492)
all pictures are from
Beer Johnston, VECTOR MECHANICS for ENGINEERS Statics & Dynamics,7e
請多指教
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