A2L Item 053

  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.

Consider three identical blocks as shown below. In case A the block sits on the bottom of a beaker filled with oil. In case B the block floats on water. In case C the block is free-falling.

Which block or blocks experience the smallest gravitational force?

  1. Block A
  2. Block B
  3. Block C
  4. Blocks A and B
  5. Blocks A and C
  6. Blocks B and C
  7. They all experience the same gravitational force
  8. None of the above
  9. Cannot be determined