Complete Question Bank

HESI A2 · Physics · HESI A2 Physics Practice Test

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Cavitation is a phenomenon observed in fluids when the pressure falls below its:

A. Boiling point

B. Density

C. Freezing point

D. Vapor pressure

Correct Answer: Vapor pressure

Question 2 of 5

According to Bernoulli's principle, when the flow velocity (v) of an incompressible fluid increases in a constricted pipe, the pressure (P) will:

A. Depend on the specific fluid type

B. Decrease

C. Remain constant

D. Increase

Correct Answer: Decrease

Question 3 of 5

What is the kinetic energy of a 500-kg wagon moving at 10 m/s?

A. 50 J

B. 250 J

C. 2.5 10^4 J

D. 5.0 10^5 J

Correct Answer: 2.5 10^4 J

Question 4 of 5

Which of the following materials has the lowest density?

A. Water

B. Cork

C. Aluminum

D. Steel

Correct Answer: Cork

Question 5 of 5

Which property of a substance does not change with a change in temperature?

A. Mass

B. Volume

C. Phase

D. Solubility

Correct Answer: Mass