"We don't know the frequency, so we need to keep tuning and trying different ones, like searching for a good radio station ...

When drawing a force diagram: represent the object with a small ... There is no resultant force and the car is travelling on a motorway, this means that the car is travelling at a constant velocity.

Really, who doesn't love a good diagram? RealOEM also has a portal for ... To get to the parts catalog, you click on the car you want from the rows of menus. In my case that would be "3' E36 ...