Physics Bending Beams? When a 69kg man stands on the end of a springboard (a typ

Question

Physics Bending Beams?
When a 69kg man stands on the end of a springboard (a type of diving board), the board deflects by 8.0cm .
1. If a 40 child stands at the end of the board, the deflection is

2. A 69kg man jumps up and lands on the end of the board, deflecting it by 12cm . At this instant, what is the approximate magnitude of the upward force the board exerts on his feet?

3. If the board is replaced by one that is half the length but otherwise identical, how much will it deflect when a 69 kg man stands on the end?

Explanation / Answer

1- 4.6cm 2- 680N 3-4cm

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