Pressure questions | form one Physics

A force exerted by a pressure of 20 N/m2 and acting over an area of 2 m2 is:
A. 10 N
B. 18 N
C. 22 N
D. 40 N

Answer / Solution

UNSOLVED

Increase in pressure raises the boiling point of a liquid This principle is used in:
A. Refrigerators and vacuum pumps.
B. Pressure cookers and ovens.
C. Pressure cookers and steam engines.
D. Refrigerators and pressure cookers.

Answer / Solution

UNSOLVED

(a) List four common devices which utilize the atmospheric pressure.
(b) Explain why the swimmer feels much greater pressure of water at the deep end than at the shallow end?

Answer / Solution

UNSOLVED

Calculate the height of the mountain given that its air pressure at the base is 75cmHg and that at the top is 60cmHg.

Answer / Solution

UNSOLVED

(i) What is atmospheric pressure?
(ii) Mention three devices that make use of atmospheric pressure in daily life.

Answer / Solution

UNSOLVED