I am not positive but i think that a regular shaped object can be measured and an irregular can not Hope this helps :D
To find the density of a regular shaped object, you can calculate it by dividing the mass of the object by its volume. For irregular shaped objects, you would measure the mass of the object using a scale, then measure its displaced water volume when submerged in a graduated cylinder. The density can then be calculated by dividing the mass by the volume of water displaced.
The volume of an irregular object is different from that of a regular object because irregular objects do not have a consistent shape like regular objects. Regular objects have known formulas for calculating volume (e.g., cubes, cylinders), while irregular objects require more complex methods such as displacement or computer simulations to determine their volume.
It is a regular three-dimensional object.
To find the volume of an irregular shape object, you can use the water displacement method. Submerge the object in a container of water and measure the increase in water level, which corresponds to the volume of the object. Alternatively, you can break down the object into smaller regular shapes, calculate their volumes, and then sum them up to find the total volume.
Partition (or divide) the irregular object into summation of regular objects and then calculate the volume.
Volume of irregular or regular shape object is the space reserved by the object in any medium.
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Displacement is used to measure an irregular object's volume. It involves immersing the object in a fluid and measuring the amount of fluid displaced, which is equal to the volume of the object.
Water displacement.
To calculate the density of an irregular shaped floating object, you can measure its mass using a balance and then find its volume by submerging it in a known volume of water and measuring the water displaced. For a regular shaped floating object, you can simply divide its mass by its volume to find the density.
To find the mass of an irregular object using a common balance, you can first weigh a known object with a regular shape to calibrate the balance. Then, weigh the irregular object. Subtract the mass of the known object from the total mass to determine the mass of the irregular object.