Mechanics ACTUAL QUESTIONS AND
CORRECT ANSWERS
Mass - Correct answers✔The amount of matter in a body, measured in kg.
Weight - Correct answers✔The force of gravity acting on mass; W = m × g.
Boyle's Law - Correct answers✔For constant temperature, P₁V₁ = P₂V₂.
Charles's Law - Correct answers✔For constant pressure, V₁/T₁ = V₂/T₂.
Perfect Gas Law - Correct answers✔P = ρRT; relates pressure, density, and temperature.
Kelvin Conversion - Correct answers✔K = °C + 273.15
ISA Sea Level Pressure - Correct answers✔101325 Pa
ISA Sea Level Temperature - Correct answers✔288.15 K
ISA Sea Level Density - Correct answers✔1.225 kg/m³
Bernoulli's Equation - Correct answers✔P + ½ρV² = constant; higher velocity means lower
pressure.