#FORMULA FOR DENSITY HOW TO#

The weight of a body, which is usually of more practical interest than its mass, can be obtained by multiplying the mass by the acceleration of gravity. Density offers a convenient means of obtaining the mass of a body from its volume or vice versa the mass is equal to the volume multiplied by the density ( M = V d), while the volume is equal to the mass divided by the density ( V = M/ d).

The densities of common solids, liquids, and gases are listed in textbooks and handbooks. For example, the density of air is 1.2 kilograms per cubic metre. Density can also be expressed as kilograms per cubic metre (in metre-kilogram-second or SI units). For example, the density of water is 1 gram per cubic centimetre, and Earth’s density is 5.51 grams per cubic centimetre. Density is commonly expressed in units of grams per cubic centimetre. The formula for density is d = M/ V, where d is density, M is mass, and V is volume.

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#FORMULA FOR DENSITY HOW TO#

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Now you have the volume of an irregular shape. The answer you just got - volume of water). It should sink, now get those measurements and do this calculation (end volume - weight ), with that minus the volume of water from the answer you just got (E.G. A fishing sinker) and measure its volume using the method shown before, now add the light one that floats then the weight. If the object is lighter than water, get your weight (Physical weight, E.G.

Second measurement - first measurement), now you have the volume. Minus the first measurement from the second one (E.G. By filling your measuring cup/beaker with water (leave room for object, record how many ml's it's at) then adding the object (record how many ml's it's at now, make sure the object is submerged and the water hasn't overflowed) you can get your calculations.

Next you have to find its volume, if it's a regular shape you could use a ruler but if it's irregular (E.G. First you must find its weight, using scales or any other weighing device. The formula to find the density of an object is relatively simple.

Formula for density