The wedge of is one of the six devices known to science as simple machines. Besides the wedge, the simple machines include the inclined plane, screw, wheel and axle, pulley and lever. Some scientists include the gear as a seventh entry, but others consider the gear as a complex machine i...
Paint all sides of the cinder block structures with exterior house paint and a good painter's brush. Apply a heavy amount of paint so that it sinks into the nooks of the concrete blocks, and then brush away the excess paint. Check the edges for drips, and use the brush to remove them...
In summary, a group of mechanical engineering students are building an electrical miniature cable car using a 9V battery powered motor. They are looking for ideas and suggestions on how to go about the project, including the use of gears and increasing friction between the pulley and cable. ...