When the pressure will be lower?
a) when force is greater
b) when the area upon which force acting is greater
c) when force is lower
d) both b and c
The force acting per unit area is called……..
a) pressure
b) velocity
c) net force
d) work
Mathematically
pressure can be defined as…
a) A/F
b)F/A
c) S/t
d) P/W
Smaller the area, ……will be the pressure.
a) lower
b) greater
c) not affected
d) same
Why it is easier to drive a pencil into sand?
a) the force is concentrated on large area
b) the force is very small
c) the force is concentrated on small area
d) all of these
Why it is difficult to drive a book into sand?
a)the force is concentrated on large area
b) the force is very small
c)the force is concentrated on small area
d) all of these
