What if you’re wanting to get a motor for a winch on the front of your jeep? What size motor do you need? Here’s how to calculate the minimum power so you don’t spend more cash than you need to for a motor that will still do the job. (Near the end of the video below, I’ll show you how to convert watts to horsepower.)

[am4show have=’p9;p58;’ guest_error=’Guest error message’ user_error=’User error message’ ]

 
 
I love to water ski (no kidding!). Here’s a neat problem about how to determine some things about the boat and deal with weird units like knots in your calculations.

Click here to go to next lesson on Work-Energy Relationship.

[/am4show]