Pressure Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. A force of 500 N is applied to a surface area of 0.25 m². Calculate the pressure exerted on the surface.
- A. 2000 Pa
- B. 125 Pa
- C. 0.0005 Pa
- D. 2500 Pa
2. Why does pressure in a liquid increase as depth increases?
- A. The liquid particles move faster at greater depths
- B. The weight of liquid above exerts a greater force on the liquid below
- C. The density of the liquid increases at greater depths
- D. The gravitational field strength increases with depth
3. A hydraulic system has two pistons. Piston 1 has an area of 0.02 m² and piston 2 has an area of 0.1 m². If a force of 1000 N is applied to piston 1, what force is exerted by piston 2?
- A. 200 N
- B. 5000 N
- C. 2000 N
- D. 10000 N
4. Calculate the pressure at a depth of 8 m in sea water. (ρ = 1025 kg/m³, g = 9.8 m/s²)
- A. 80 360 Pa
- B. 8 200 Pa
- C. 80.36 Pa
- D. 101 Pa
5. An object floats on water. Which statement best explains why the object floats in terms of pressure?
- A. The water is not dense enough to push the object down
- B. The pressure difference between the bottom and top surfaces of the object produces an upward force greater than the object's weight
- C. Atmospheric pressure prevents the water from pulling the object down
- D. The object has lower internal pressure than the surrounding water