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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+//To find the acceleration
+clc
+//Given:
+NBA=200 //rpm
+AB=75/1000,PQ=375/1000,QR=500/1000 //m
+//Solution:
+//Refer Fig. 8.31
+//Calculating the angular velocity of the crank AB
+omegaBA=2*%pi*NBA/60 //rad/s
+//Calculating the velocity of B with respect to A
+vBA=omegaBA*AB //m/s
+//By measurement from the velocity diagram, Fig. 8.31(b),
+vR=1.6,vBdashB=1.06,vBdashP=1.13,vRQ=0.4,vQP=1.7 //m/s
+PBdash=248/1000 //m
+//Calculating the angular velocity of the link PQ
+omegaPQ=vQP/PQ //rad/s
+//Calculating the radial component of the acceleration of B with respect to A
+arBA=omegaBA^2*AB //m/s^2
+//Calculating the coriolis component of the acceleration of B with respect to coincident point B'
+acBBdash=2*omegaPQ*vBdashB //m/s^2
+//Calculating the radial component of the acceleration of R with respect to Q
+arRQ=vRQ^2/QR //m/s^2
+//Calculating the radial component of the acceleration of B' with respect to P
+arBdashP=vBdashP^2/PBdash //m/s^2
+//By measurement from the acceleration diagram, Fig. 8.31(d),
+aR=22,aBBdash=18 //m/s^2
+//Results:
+printf("\n\n Velocity of the tool-box R, vR = %.1f m/s.\n",vR)
+printf(" Acceleration of the tool-box R, aR = %d m/s^2.\n",aR)
+printf(" The acceleration of sliding of the block B along the slotted lever PQ, aBBdash = %d m/s^2.\n\n",aBBdash) \ No newline at end of file