An object with a mass of 11 kg is hung from a scale [figure (a)], with the scale registering 108 N. What does the scale read in figures (b) and (c)? Note that in figure (c) the scale is tied to two identical 11 kg objects.

In figure (b) the scale reads:

• 0 N (0%)
• 54 N (13%)
• 108 N (86%)
• 216 N (1%)

  In figure (c) the scale reads:

  • 0 N (33%)
  • 54 N (2%)
  • 108 N (30%)
  • 216 N (36%)