Example 2 - a diving board

A 10 kg diving board has a 2 kg box near the right end of the board. The board is supported by two supports. The support on the right is movable. If that support is moved a little to the left what will happen to the two support forces?

  1. Nothing (0/33) (0%)
  2. Both support forces increase (3/33) (9%)
  3. Both support forces decrease (3/33) (9%)
  4. The force from the left support increases and the force from the right support decreases (10/33) (30%)
  5. The force from the left support decreases and the force from the right support increases (17/33) (52%)