UPJOKE

### Knock knock..Who's there?..Interrupting coefficient of friction..

The interrupting coeff---

MU!

### There are three kittens on a roof (science/nerd joke)

There are three kittens on a roof in a rain storm. Which is the last to slide off?

The one with the highest mu.

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(mu (can't create the symbol) is the coefficient of friction. But I bet you knew that already)

### There are two kittens sitting on a steep roof. Which one falls off first?

the one with the smallest *mu*

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**Preemptive explanation:**

Coefficient of friction. The coefficient of friction (COF), often symbolized by the Greek letter µ (pronounced *mew*), is a dimensionless scalar value which describes the...

### Two cats are sitting on the roof. Which cat will fall off first?

The cat with the smaller [mu](https://www.britannica.com/science/coefficient-of-friction)!

### How long does it take a cross dresser to get to the ground if they jump out of a plane?

Depends on the drag coefficient