Explain the difference between mass and weight and how they are measured.

Mass is something used to describe how much matter there is in a body and it is constant throughout the universe. In other words, if you are 70 kg here at earth, you will be 70 kg at the moon, mars etc. However, that is not the case with weight. Weight is a force counted in N ( Newtons ). It is used to describe how much earth pulls you to its center. that is why you see astronauts flying and jumping easily around at the moon, where here at earth its harder. That happens cause the earth is bigger than the moon, so it pulls you much harder, so you weight even more. To sum up:

Mass:

measures: matter
stays constant
counted in kg ( kilogram(s) )

Weight:

measures: pulling force
changes from place to place
counted in N ( Newton(s) )

rahulsharma789888 rahulsharma789888 · Answer 2 · 2022-08-10T07:24:45+02:00

The difference between mass and weight is that the mass of any object is constant while the weight of the object varies according to gravity.

What is Newton's second law?

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum. The mathematical expression for Newton's Second law is as follows

F = m*a

where F represents the force applied

m is the mass of the object and a is the acceleration of the object.

The main distinction between an object's mass and weight is that while an object's mass is constant throughout the universe, an object's weight can vary depending on its location within the universe. For instance, an object's weight on Earth would differ from an object's weight on another planet, for example. A thing would weigh differently on Mars than it would on Earth.

Any object's weight is calculated by multiplying its mass by its gravitational pull on the planet in question

Weight = Mass*gravity

W= m*g

where w is the weight of any object

m is the mass of the object

g is the acceleration due to gravity

The value of g for the earth is 9.81 m/s²

The mass of any object is measured in kilograms while the weight of any substance is measured in newtons.

Thus, The distinction between mass and weight is that whereas an object's weight varies in response to gravity, its mass is constant.

Learn more about Newton's second law from here

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