Give 5 examples of upthrust

Answer 1

1) A boat on water - upthrust going up keeping it a float also known as buoyancy.

2)Swimmer- upthrust (or buoyancy again) keeps the swimmer on top of the water.

3) A helium filled balloon - helium is lighter than air so it displaces it, pushing up into the air.

4)A hot air balloon - same principals of a helium balloon.

can only think of 4 sorry.

5) jumping out of a plane.

6)it is what makes a parachute lift one up when falling.