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Diffstat (limited to '3845/CH7/EX7.3/Ex7_3.sce')
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1 files changed, 15 insertions, 0 deletions
diff --git a/3845/CH7/EX7.3/Ex7_3.sce b/3845/CH7/EX7.3/Ex7_3.sce new file mode 100644 index 000000000..e38dbe743 --- /dev/null +++ b/3845/CH7/EX7.3/Ex7_3.sce @@ -0,0 +1,15 @@ +//Example 7.3
+F_app=120;//Applied force (N)
+F_fr=5;//Opposing friction force(N)
+d=0.800;//Distance traversed (m)
+F_net=F_app-F_fr;//Net force (N)
+W_net=F_net*d;//Net work (J)
+printf('a.Net work done on the package = %0.1f J',W_net)
+W_app=F_app*d*cosd(0);//Work done due to applied force in direction of displacement (J)
+W_fr=F_fr*d*cosd(180);//Work done due to friction force acting in a direction opposite to that of displacement (J)
+W_gr=0;//Work done by gravity is zero as force due to gravity acts perpendicular to displacement, cosd(270)=0, (J)
+W_N=0;//Work done by the normal force is zero as it acts perpendicular to displacement, cosd(90)=0, (J)
+W_total=W_gr+W_N+W_app+W_fr;//Total work done (J)
+printf('\nb.Total work done as sum of work done by each force = %0.1f J',W_total)
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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