Coefficient of friction

One of the considerations for letting Fleur go slide is the pants she wears. Something I didn’t know before being a parent was different pants have different coefficients of friction.

The force required to move two sliding surfaces over each other, divided by the force holding them together. It is reduced once the motion has started.

theFREEdictionary
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And drag.

Every time I let her go with the slicker pants, I chide myself for not having made the better physics choice. She flies down the slide.

It is one of those designs with a bump in the middle. She can go so fast she gets enough air to land just before careening off the end.

With pants providing enough friction, she doesn’t get too much speed. And I don’t feel the need to be too vigilant.

Pandemic

Bby Pixabay @ Pexels

When I was not much older than my daughter, I contracted a bacterial infection that gave me meningitis. I was in a coma for a couple weeks. As were several other kids. Contact tracing pointed to the same playground. The story I was told was most of the other kids died, but somehow I survived. The recovery was just as difficult in that I had to relearn walking, talking, etc.

Seeing there is now a vaccine made me extremely happy it is on the schedule. No families should have to go through this nightmare.

In the current pandemic, the tables are turned. I am less worried about her than I am the adults she loves and who care for her. We are doing the social isolation as best we can. Hunkered down. Limiting our trips out of the house.