Catching a wave

The art and work that goes into simply catching a wave is crazy. There is so much physics. The waves that we create while in the water and the torques that we create to propel ourselves through the water is really cool. Every time I stick one arm into the water and push or pull myself thorough the water i create a rotational force that propels me through the water. In order for me to travel in a straight line i have to use both arms one after the other so that with each stroke i counter the other with a stroke of my other arm. That's some real fun in the sun.

Terminal velocity

I was watching this show on the this other day and i saw this episode on myth busters about a falling body. When they would drop buster from the airplane it would hurdle towards earth at a maximum speed of 120 miles per hour. This is called terminal velocity, which is the maximum speed an object falls at. This depends on mass and gravity, more mass could mean a higher terminal velocity but this is not exactly true. It also depends on the gravity too. More gravity means more force pushing on the object to go towards earth. its glad too know if i were to fall out of an airplane i could fall towards earth at a pritty cool speed of 120 miles per hour.

Friction and speed

The other day when i was taking a shower i noticed that when i dropped the soap that the instant it hit the ground it picked up speed but by the time it the other side of the shower it was moving at a slower speed. The cause of this is friction, even though the soap is slippery it is not that slippery. It is still affected by friction this occurs when the surface an object is moving on slows down the moving object. This was good for me i guess because if there was no friction then the soap could slide around forever.