25) B

760 mm Hg has a force of 100kPa.
152 m Hg would have a force of = [(152 ÷ 760) x 100] = [0.2 x 100 kPa] = 20 kPa = 20 x 10³ Pa

2.0 cm² = 0.0002 m²

Pressure = Force ÷ Area

20 x 10³ Pa = Force ÷ 0.0002

Force = 20 x 10³ Pa x 0.0002 = 4 N