Why don't robot vacuum cleaners move objects to vacuum underneath them?

Question

Maybe they could push objects around without needing to lift them.Of course, there's a chance this could ruin the carpet/floor.Maybe a robot vacuum with arms that can lift objects to move them?

krapp · Accepted Answer

Because they're more likely to knock things over than just move them.

gregjor · Answer

Disclaimer: not a physicist.Maybe because a Roomba weighs ~9 lbs but a sofa or table weighs 2x to 10x more.I can answer your actual question by pointing out robot vacuums lack arms or any feature capable of lifting anything. That&rsquo;s &ldquo;why&rdquo; they don&rsquo;t lift things.

Why don't robot vacuum cleaners move objects to vacuum underneath them?

Maybe they could push objects around without needing to lift them.
Of course, there's a chance this could ruin the carpet/floor.
Maybe a robot vacuum with arms that can lift objects to move them?

Because they're more likely to knock things over than just move them.

Disclaimer: not a physicist.
Maybe because a Roomba weighs ~9 lbs but a sofa or table weighs 2x to 10x more.
I can answer your actual question by pointing out robot vacuums lack arms or any feature capable of lifting anything. That’s “why” they don’t lift things.