Mass and Weight

                                             These two can't decide if there's a difference.

Mass is usually measured in kilograms which is abbreviated as kg.

In physics there are different ways of determining the quantity of mass.

Two of the most commonly used are inertial mass and gravitational mass.

Inertial mass    In everyday speech, inertia means staying the same.               

For example, if you push two objects the same conditions with the same amount of force, the object with the lower mass will accelerate faster. That is best understood if you imagine a billiard ball and a ping-pong ball together on the table (obviously level). Hit them one at a time with the same push, force or thrust and the ping-pong ball will travel further than the heavier billiard ball.

Gravitational mass

is a measurement of how much gravity (pull) an object exerts on other objects. It can also be the measurement of how much gravity an object experiences from another object. (But not magnetic pull.)

What is the difference between mass and weight?

1. Weight is different from mass.
2. Weight is the measure of the force of gravity on an object.
3. The mass of an object will never change, but the weight of an item can change based on its location.
4. For example, you may weigh 100 pounds on Earth, but in outer space you would be weightless.  The surface gravity on Mars is only about 38% of the surface gravity on Earth, so if you weigh 100 pounds on Earth, you would weigh only 38 pounds on Mars.
5. However, you will always have the same mass on Earth as you have in outer space.