Escalator adventure. Fun physical experience at home

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Escalator adventure. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

You certainly know what an escalator is. This is a moving staircase. Escalators are arranged at metro stations and in large stores. Millions of people use them daily. The escalator is convenient, reliable, safe. But still...

They say that once such an incident happened. One rotozei descended on the escalator, holding a trough in his hands. He held this trough, held it and dropped it. The trough rushed down like a sledge from a mountain. Picked up speed and hit under the knees of a fat man with purchases. The fat man collapsed like a wreck. Where did it crash? Yes, in the trough, of course!

He fell into the trough like a dime in a bottle, like a hard-boiled egg in a glass of water. And it was inertia that was to blame. After all, if the fat man had not sought to maintain a state of rest, he would have set in motion instantly and would have rolled not in the trough, but in front of him.

But inertia did its job. And the poor fat man, helplessly waving his arms and legs, rushed up the steps with a thunder and scared all the passengers. And when the escalator ended, the trough with a squeal and a rattle drove a few more meters along the granite floor slabs. And only after that the fat man was taken out of the trough, like a baby from the cradle ...

Adventure on the escalator

I don't know if this story actually happened. She's too funny. But if it happened, it would be exactly the same. Everything to the very end - until the solemn departure of the fat man in the trough from the escalator. After all, the same thing happened here that happens to you on the bus when it brakes sharply. The movement of the bus stops, as the movement of the escalator, which has gone under the floor, has stopped. And you still continue to move, you fly forward, like a fat man in a trough!

What is inertia? Yes, this is also inertia. Only not the inertia of rest, but the inertia of motion. It turns out that the body tends to maintain a state of rest only if it is already at rest. But if the body is moving, then it tends to continue its movement.

Author: Galpershtein L.Ya.

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