Q)
(chatquestion)...(a) 2x 103 N m-2
(c) 2x 105 N m-2
(b) 2× 104 N m-
(d) 2x 106 N m-2
10
Pressure is a scalar quantity because
(a) it is the ratio of force to area and both force and
4.
area are vectors.
(b) it is the ratio of the magnitude of the force to
area.
(c) it is the ratio of the component of the force normal
to the area.
(d) it depends on the size of the area chosen.
5. Hydraulic brakes are based on
(a)
Dascal' law
(b)
11:)...(?)
...
