An inclined plane is like a magic ramp that helps you move things from one place to another. If you want to lift something heavy, like a couch, it can be really hard to do, especially if you're a little kid. But if you put the couch on an inclined plane, it becomes much easier.
Imagine a big ramp that you can walk up. As you walk up, you don't have to use as much energy as you would if you had to lift yourself straight up, like climbing a ladder. This is because the ramp spreads out the work over a longer distance, making it less steep and less tiring.
The same thing applies when you want to lift something heavy with an inclined plane. The inclined plane makes it easier to lift the object by spreading out the work you need to do over a longer distance. Instead of lifting the object straight up, you can push it up the inclined plane, which takes less energy because it's not as steep.
Inclined planes are used in all kinds of ways, from wheelchair ramps to moving heavy objects in factories. Without inclined planes, we would have to use a lot more effort to lift heavy things, and that would be a lot harder for everyone, even grown-ups!