Physics For Gearheads Pdf Review

Torque is a force. Horsepower is work done over time. You need gearing to convert high-RPM horsepower into low-RPM torque at the wheels.

Why does a carburetor have a venturi (a choke point)? Because air speeds up in the narrow section. When speed goes up, pressure drops. That low pressure sucks fuel out of the bowl. physics for gearheads pdf