Sunil Batra Solutions for Chapter: Floating Bodies, Exercise 1: Formative Assessment

What is the force acting perpendicular to the surface of an object called? (Choose from here: Thrust/ Pressure)

What is the S.I unit of thrust?

Complete the following sentence:

$\frac{\mathrm{Thrust}}{\mathrm{Area}}=$_____.

An iron block of density $7.8 \mathrm{g}/\mathrm{c}.\mathrm{c}$ and volume $50 {\mathrm{cm}}^3$ is immersed completely in water. Find

(a) the actual weight of iron block.

(b) buoyant force acting on iron block.

(c) loss of weight of iron block in water. (Take $g = 9.8 \mathrm{m}/{\mathrm{s}}^2$)

What does this statement mean: Relative density of gold is $19.3$?

A body weighs ${\mathrm{W}}_1$ in air and ${\mathrm{W}}_2$ in water. What is its relative density?

Does relative density and specific gravity represent the same physical quantity?

Which liquid out of kerosene, pine oil and ${\mathrm{CCl}}_4$ has maximum relative density? (Density of kerosene$=800 \mathrm{kg} {\mathrm{m}}^{-3}$,  the density of pine oil $=875 \mathrm{kg} {\mathrm{m}}^{-3}$  and density of ${\mathrm{CCl}}_4=1594 \mathrm{kg} {\mathrm{m}}^{-3}$)