Physics · Explorer

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Floating and sinkingRunning
Gas cylinder. Displaced volume at 0.00092 m³. Upthrust produced 9.03 N, Upthrust needed 4.9 N. Currently upthrust produced is over by 4.125 N.TUNINGUPTHRUST NEEDED9.03 N0.00092 M³UPTHRUST PRODUCED
t = 0.0s

Upthrust produced

9.03N

Upthrust needed

4.9N

0.00092 m³

Gas cylinder. Displaced volume at 0.00092 m³. Upthrust produced 9.03 N, Upthrust needed 4.9 N. Currently upthrust produced is over by 4.125 N.

What has to balanceFb=ρgVF_b = \rho g V

What is happening

You are called to a class testing which objects float in a water tray.

Nobody knows how much water the block pushes aside. It must be held up by 4.9 N of upthrust, and water provides 9 810 N for every cubic metre displaced.