A liquid-filled vessel is in an elevator accelerating downward with acceleration a<g. Which statements are correct?

Select all that apply

• Option A

  Effective gravity is g-a

• Option B

  Hydrostatic pressure gradient is ρ(g-a)

• Option C

  Buoyant force on a fully immersed body is ρV(g-a)

• Option D

  The fraction submerged for a freely floating body of fixed density changes with a