ESAT (Engineering and Science Admissions Test) · Physics

Matter

6 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 6 questions

A diver is $12 m$ below the surface of a lake. Atmospheric pressure is $100 kPa$ , water density is $1000 kg/m^{3}$ and $g = 10 N/kg$ . What is the total pressure on the diver?
A wire has tensile stress $5.0 \times 1 0^{7} Pa$ and strain $2.5 \times 1 0^{- 4}$ . What is the Young modulus of the wire's material?
A steel ball bearing is dropped into a viscous liquid and falls at its terminal velocity. Which statement is correct about the net force on it?
A tank holds $0.50 m^{3}$ of oil with a total mass of $400 kg$ . What is the density of the oil?
A force of $100 N$ stretches a wire of cross-sectional area $2.0 \times 1 0^{- 6} m^{2}$ . What is the tensile stress?
A solid block of volume $0.0020 m^{3}$ is fully submerged in water (density $1000 kg/m^{3}$ , $g = 10 N/kg$ ). What is the upthrust on it?

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