MYP Physics · 08 · multiple choice
Snowshoes and pressure
Pressure and fluids · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- recall
- Marks
- 3
- Topics
- 1
- Answer
- Complete
A hiker stands still on soft snow. Why do wide snowshoes reduce how far the hiker sinks?
- A
They reduce the hiker's weight.
- B
They increase the force on the snow.
- C
They spread the same force over a larger area, reducing pressure.
- D
They make the snow denser.
- a
Select and explain Select the correct explanation and connect it to the pressure equation.
3 marks
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a
Select and explain Select the correct explanation and connect it to the pressure equation.
Predict from the governing principle before looking for a matching option. Then reject alternatives by checking direction, units, limiting behaviour or the physical meaning of each statement.
- 1
Selects option C: the same force spread over a larger area produces lower pressure.
- 2
States pressure = force ÷ area.
- 3
Explains that weight is essentially unchanged while larger contact area produces lower pressure.
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