What is the Calculation for Mass?

  • Thread starter Thread starter blackvise43
  • Start date Start date
  • Tags Tags
    Mass
AI Thread Summary
To calculate mass, you can use the formula density = mass/volume if you know the density and volume of the object. For a car project, measuring the mass directly with a scale is the simplest method, but if calculations are required, knowing the materials and their densities can help. You can also calculate volume using dimensions, such as length, width, and height for cuboidal shapes. Relevant physics equations include E=mc² and F=ma, which relate mass to energy and force, respectively. Understanding these concepts will aid in accurately determining the mass for your project.
blackvise43
Messages
3
Reaction score
0
Is it length * width?? I need to know asap
 
Physics news on Phys.org
Length times width is area. What exactly are you trying to do?
 
It really depends on what other information you have available to you.
i.e.
-if you know an objects density and volume you can calculate its mass
-if you know an objects acceleration and force applied you can calculate its mass
etc etc.
What information do you have?
 
E = mc²
F=ma
F=\frac{d}{dt}(mv)
F=mg
a=\frac{M}{m}g

here are some equations in which mass is involved... maybe one you could use to solve for mass for your particular problem
 
I have the object I am in 10th grade and I'm in intro to physics and it told me to calculate the mass... umm its for a car we had to make and I am suppose to find certain calculations, I am new to this stuff... I need to know soon please its due tomorrow. :smile:
 
Last edited:
blackvise43 said:
I have the object I am in 10th grade and I'm in intro to physics and it told me to calculate the mass... umm its for a car we had to make and I am suppose to find certain calculations, I am new to this stuff... I need to know soon please its due tomorrow. :smile:


Get a scale that shows kilograms/grams. 'Weigh' your car. The reading will be the mass.
If your scale doesn't show kilograms/grams but pounds or ounces, then simply convert your value to metric. www.onlineconversion.com is a good source.
 
Ok thank you very much.
 
Well, if it told you to 'calculate' its mass, then 'measuring' it would be cheating.

If you know what you made the car out of, you can look up the densities of the materials it's made from.

If you know the dimensions of the car, you can calculate the volume of the components. (For a cuboid, volume is base * width * height.)

If I tell you that density = mass / volume, then you might be able to get cracking!
 
Mass is a measure of how much matter an object is made of. It is measured in kilograms. Mass is sometimes written in italics when it is the unit that is being written about. Examples: The mass of the Earth is 5.972 x 10^24 kilograms. The mass of the Sun is 2.0 x 10^30 kilograms. The mass of a helium atom is 4.3 x 10^-24 kilograms. The mass of a neutron is 1.67 x 10^-27 kilograms. The mass of an electron is 9.109 x 10^-31 kilograms. The mass of a proton is 1.67 x 10^-27 kilograms. The mass of a neutron is 1.67 x 10^-27 kilograms.
 
Back
Top