This is a great question that brings together a lot of what we've talked about in other HowStuffWorks articles about drag. And, it turns out, there is a relatively simple way to learn how much drag is on your car.
In the article How Force, Power, Torque and Energy Work you learned about Newton's second law, which we can restate as force (F) equals mass (m) multiplied by acceleration (a).
As the motivating force behind your automobile, the engine deserves lots of respect and care: if your car engine gives out, you're going...well, nowhere. You could also be out a hefty chunk of change, since engine repairs often involve complicated and time-consuming work by a technician. Two unassuming, relatively cheap auto parts can help you keep your engine healthy and smooth-running for a long time. The only "catch" is that they get so dirty you occasionally have to replace them.
Few people eagerly anticipate a visit to the gas station. The steep cost to fill up a tank is just one of the reasons to feel a little agitated as you pull up to the pump; figuring out which gas to select in order to ensure your vehicle runs properly can also be a quandary. Everyone wants to get a good price per gallon, but is it more cost-effective over the long-term to shell out a little more for premium gasoline each time you fill up? And just what is high-octane gasoline and why do so many filling stations and oil companies push it so hard?
The quest to build the most powerful Duramax engine on earth is a lofty goal. While Dmitri Millard (2010 Diesel Power Challenge winner) has never actually said that’s his mission—he’s clearly in the running for the title.
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