# The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is

ρ ω2 r2

2ρ ω2 r2

ρ ω2 r2/2

ρ ω2 r2/4

Please do not use chat terms. Example: avoid using "grt" instead of "great".