Air Within the Funnel of a Large Tornado May Have

Multiple Choice

Air within the funnel of a large tornado may have a pressure of only 0.2 ATM. What is the approximate outward force on a (5 m × 10 m) wall if a tornado suddenly envelops the house? (1 ATM = 1.01 × 10⁵ N/m².)

A) 4 × 10³ N
B) 4 × 10⁴ N
C) 4 × 10⁵ N
D) 4 × 10⁶ N
E) 7 × 10⁵ N