Force applied per unit area gives…….
a) buoyancy
b) pressure
c) friction
d) net force
With the depth, pressure in a liquid……
a) increases
b) decreases
c) stay the same
d) is zero
The atmospheric pressure will be lowest…….
a) in Islamabad
b) in Lahore
c) in Karachi
d) on top of K2
A toy floats in t bathtub. The buoyant force exerted on the toy depends on the volume of
a) water in the tub
b) the bathtub
c) the water displaced
d) the toy under water
If a submerged object displaces an amount of liquid with a weight less than its own, when the object is released, it will……..
a) remain submerged in equilibrium
b) sink
c) pop up out of the surface
d) float
If the same sized force is made to act over a smaller area……
a) the pressure is decreased
b) the pressure is not changed
c) the pressure is increased
d) the result depends on the shape of the area
