3 ms·
Pedalling a bike is not a lot of work. Old people do it daily. Thrusting a car through air at 100kph though, that takes a lot of work. Drag scales with the squ
by 4gotunameagain 3y ago
Pedalling a bike is not a lot of work. Old people do it daily.
Thrusting a car through air at 100kph though, that takes a lot of work. Drag scales with the square of the velocity and proportionally to the frontal surface area.
Cars are a fast, but woefully inefficient means of transport.
- sokoloff 3y ago> Drag scales with the square of the velocity Drag force scales with the square of velocity. Drag power (rate of work or rate of energy consumption) scales with the cube of velocity.
- 4gotunameagain 3y agoGood clarification thanks !
- TheSpiceIsLife 3y agoPerhaps you've never cycled up a hill.
- 4gotunameagain 3y agoPerhaps I've grown up in Europe and have been cycling my whole life.
- bee_rider 3y agoYou could be from Denmark
- 4gotunameagain 3y agoI'm not, I've just lived there ;)