Answer:
F = 141.3 N
Explanation:
Pressure inside the Champagne bottle = 4.5 atm
1 atm = 10⁵ Pa
4.5 atm = 4.5 x 10⁵ Pa
inner radius of the bottle = 1 cm = 0.01 m
Area of the bottle = π r²
= π x 0.01²
= 3.14 x 10⁻⁴ m²
Force acting on the cork due to excess pressure
F = P A
F = 4.5 x 10⁵ x 3.14 x 10⁻⁴
F = 141.3 N
The frictional force on the cork due to the neck bottle will also be equal to F = 141.3 N
