Have you ever wondered what truly makes some objects heavy and others light, regardless of where you are?
Well, that fundamental property is called mass! Think of mass as simply how much “stuff,” or matter, an object contains. It’s not the same as weight, which changes depending on gravity; your mass stays the same whether you’re on Earth, the Moon, or even floating in space.
Mass is also about an object’s “laziness” or resistance to changes in its motion, a concept called inertia. A small toy car is easy to push, but a massive truck requires a lot more effort to get moving or to stop, right? That’s mass showing its inertia.
Finally, mass is what gives objects gravitational pull. The more mass an object has, the stronger its gravitational tug on other objects around it. That’s why Earth keeps us grounded and the Moon orbiting us!
So, mass is the constant “stuff” an object is made of, its resistance to changing motion, and its ability to attract other objects gravitationally. Understanding mass helps us grasp how everything in our universe interacts!