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+//Example 4.9
+m=75;//Mass of the man (kg)
+g=9.8;//Acceleration due to gravity (m/s^2)
+a=1.20;//Upward acceleration of the elevator (m/s^2)
+F_s=m*a+m*g;//Force as measured by the scale (N)
+printf('a.Force as measured by the scale when the elevator is accelerating upwards = %0.1f N',F_s)
+//Discussion
+F_s1=m*g;//Force as measured by the scale when stationary (N)
+printf('\nDiscussion:\nForce as measured by the scale when stationary = %0.1f N',F_s1)
+F_s_b=m*g;//Force as measured by the scale when moving with constant upward velocity (N)
+printf('\nb.Force as measured by the scale when moving with constant upward velocity = %0.1f N',F_s_b)
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest