1

Graphical Analysis of Acceleration Polygon

Syed Masrur AhmmadG1113027

MCT 2212 :Theory of Mechanics & Machines

B

D 0A

TDBa

NDBa

TDa

NDa

NBa

TBa Ba

DBa

Da

Mechanics of Machines Cleghorn 3

Figure 3.17 (a) Mechanism. (b) Acceleration polygon.

0A

D

C

B

BNB aa

NCBa

TCBa

NDBa

TDBa

Da

DBa

CDa

CBa

CaNCDa

TCDa

15.32=1172cms-2

15.32=1887.74cms-2

4

0A

2Ba

B2

NBa 3 T

Ba 3

CBBa 23

SBBa 23

B3

NCOa 3 T

COa 3

NCBa 3

TCBa 3

C

Acceleration Analysis of an Inverted Slider Crank Mechanism

B

D

aB

aD

0A

B

D

Find acceleration aDB

Scale: 1cm=100 ft.s-2

The angular velocity of AB,25901009.5 ftsa NAB

181.18667.1590 radsr

aAB

NAB

AB

The angular acceleration of AB, 298.101667.1170 radsr

aAB

TAB

AB