Question

the mass of a wooden bloc is 56g. if the density of wood is 0.8g/cm3. find the volume of wooden block.​

Answer 1

Explanation:

As per the provided information in the given question, we have :

• Mass of the wooden block = 56 g
• Density of the wooden block = 0.8 g/cm³

We are asked to calculate the volume of wooden block.

As we know that,

$\longmapsto\bf {Density = \dfrac{Mass}{Volume} }$

So, according to the question,

$\longmapsto\rm {0.8 \; g.cm^{-3} = \dfrac{56 \; g}{Volume} }$

$\longmapsto\rm {0.8 \; g.cm^{-3} \times Volume = 56 \; g }$

$\longmapsto\rm { Volume =\dfrac{ 56 \; g}{0.8 \; g.cm^{-3}} }$

$\longmapsto\rm { Volume =\dfrac{ 560 \; g}{8 \; g.cm^{-3}} }$

$\longmapsto\bf { Volume =70 \; cm^3}$

∴ Volume of the wooden block is 70 cm³.

$\rule{200}2$

More Information :

• Density can be defined as the mass per unit volume.
• Its SI unit is kg/cm³.
• Density = Mass/Volume
• If any object is less dense than water, it floats.
• If any object is more more dense than water, it sinks.