How much work (in ft-lb) is done by a large bucket that can lift 4.5 tons of dirt, 14 ft into the air and dump it into a 5.0 cubic yard dump truck?Work:The work, done to lift a weight is equal to the wor...
at 4g the point loads are about 400 kilos. Whereas with a 1.6 tonne car at 4g, you’re looking at a three- or four-tonne load through any point. And you can’t predict where the presenters are going to drive, so you have to have the entire surface designed to resist ...
These two ships – one under construction and one in the design phase – have the potential to make sail cargo a lot more economical than it is today. That’s because they have a much larger cargo capacity than the sailing ships currently in operation. As a ship becomes longer, her cargo...