哈工大理论力学第七版课后习题答案(高清无水印版)
的有关信息介绍如下:第1章静力学公理和物体的受力分析
1-1画出下列各图中物体A,ABC或构件AB,AC的受力图。未画重力的各物体的自重不计,所有接触处均为光滑接触。
FN1
A
PFN2
(a)
(a1)
FTAPFN
(b)
A
(b1)
FN1
P
BFN3
FN2
(c)
(c1)
FTB
FAy
P1AP2
FAx
(d)
(d1)
FA
A
F
FB
B
(e)
(e1)
1
q
F
FAyAFAxB
FB
(f)
(f1)
F
B
CFCFA
(g)
FAy
A
(g1)
FC
CFAx
P1P2B
A
(h)
(h1)
B
F
C
FC
D
FAx
A
FAy
(i)(i1)
(j)
(j1)
B
FB
F
C
FAyA
(k)2
PFAx
(k1)
FCA
CA
FAB
′FAC′FAB
A
FAC
B
FBA
(l)
(l1)图1-1
(l2)
P(l3)
1-2画出下列每个标注字符的物体的受力图。题图中未画重力的各物体的自重不计,所有接触处均为光滑接触。
C
FN2
′FN
B
P2
(a1)
FN1
(a)FN1
B
CP2FAyA
FN2
FN
P1
P1
FAy
AFAx
FAx
(a2)
(a3)
FN1
AP1BP2
FN3
FN2
(b)
(b1)
′FN
FN1
A
BP2
FN3
P1
FN
FN2
(b3)
(b2)
3
FAy
ACDBP1
FAx
FN2
P2
FN1
(c)
FTDA
(c1)
FAyFAx
FN2
B
′FT
P1
P2
FN1
(c2)(c3)
FAy
q
FBD
B
A
FAx
C
FC
(d)
FAy
(d1)
q
FDy
D
q
FBB
A
FAx
C
FDxDFC
′FDx′FDy
(d3)
(d2)
FAyFAxA
FCy
q
FAy
BPC
FCx
′FBx
B
′FBy
q
BFBy
(e2)
FAx
A
FBx
FCx
C
FCy
P
(e)
(e1)
(e3)
F1
C
FAy
F2
FBy
A
(f)
FAx