Recent content by DavyCrocket20

Why would it matter what the components of force are? Isn't it just asking how much work the horse is doing? Wouldn't that just be force*distance? Granted, gravity is doing negative work, but are you sure you have to take that into consideration?

Here, I'll do my best to sum up my problem mathematically: Find the velocity and displacement of a rocket taking off of the moon at t=180. The rocket's engine supplies a constant force upward (directly opposite to the force of gravity) of RocketMass*9.81m/s/s.

Hi. My name is David. I like physics. Recently I ran into a problem that has really begun to bug me. Have you heard of the Northrop Grumman Lunar Lander Challenge? It's really cool. The teams are competing for a purse of like $2 million. For the highest level, the teams must launch their...