Drag and Upthrust Forces
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Drag and Upthrust Forces
Forces in action
Use the scenarios to identify what each force does.
- Upthrust
- Drag
- Gravity
- Magnetism
- A cyclist riding through air
- A swimmer moving through water
- A book resting on a table
- A parachute falling through air
The floating-boat investigation
A team tests three objects in a tub. Their observations are shown below.
Object
Observation after release
Cork
Floats at the surface
Metal key
Sinks to the bottom
Sealed plastic bottle
Floats partly above the surface
Solve the harbour challenges
Apply what you know about drag and upthrust to make predictions.
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