diff options
Diffstat (limited to '3862/CH5/EX5.14/Ex5_14.sce')
| -rw-r--r-- | 3862/CH5/EX5.14/Ex5_14.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3862/CH5/EX5.14/Ex5_14.sce b/3862/CH5/EX5.14/Ex5_14.sce new file mode 100644 index 000000000..882e71c85 --- /dev/null +++ b/3862/CH5/EX5.14/Ex5_14.sce @@ -0,0 +1,23 @@ +clear +// +ur=0.20 //The coefficient of friction between the rope and the fixed drum +uo=0.30 //The coefficient of friction between other surfaces +cosa=4.0/5.0 //cos of angle of inclination +sina=3.0/5.0 //sin of angle of inclination +Ww=1000.0 //weight +o=3.14 //angle of contact of rope with pulley +//for unknown weight +//force balance perpendicular to the plane +//N1 = W cos α +//fr=uoN1 +//force balance along the plane +//T1 = F1 + W sin α +//for 1000 N body +//force balance perpendicular to the plane +//N2=N1+Wwcosa +//fr2=uoN2 +//force balance along the plane +//T2= Wwsina -F1 -F2 +//T2=T1*e^(ur*o) +W=(Ww*sina-uo*Ww*cosa)/(((uo*cosa+sina)*(2.71**(uo*o)))+(uo*cosa+uo*cosa)) +printf("\n Weight is %0.3f N",W) |