Physics · Foundation

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Pressure and areaRunning
Area planner. Board area at 0.46 m². Load supported 1610 N, Rescuer weight 700 N. Currently load supported is over by 910 N.TUNINGLOAD SUPPORTEDHEIGHT0.46 M² · 1610 N
t = 0.0s

Load supported

1610N

Rescuer weight

700N

0.46 m²

Area planner. Board area at 0.46 m². Load supported 1610 N, Rescuer weight 700 N. Currently load supported is over by 910 N.

What has to balanceP=FAP = \frac{F}{A}

What is happening

You arrive at a rescue team crossing thin ice on boards.

The ice is about to give way. A rescuer weighs 700 N, the ice will not take more than 3 500 Pa, and standing in boots the pressure is far over the limit.