Why do objects fall at the same rate in a vacuum?

Objects fall at the same rate in a vacuum because nothing is stopping them, not even air.

Imagine you're playing with two toy cars on a smooth floor. One car is big and heavy, like your dad’s toy car, and the other is small and light, like your toy car. If you push both of them at the same time, they both zoom forward, the bigger one doesn’t go slower just because it's heavier.

Now imagine you're in a room with no air, that's what a vacuum is. When you drop two things, like a feather and a rock, there’s nothing to slow them down. So both fall together, just like your toy cars, the big one and the small one don’t fight the way they would if there was air pushing against them.

In real life, when we drop things, air helps some things fall slower than others. It's like a gentle push that says, "Go on, feather, take your time!" But in a vacuum, no one is helping or slowing anything down, so everything just falls straight and fast, together!