Recent content by #H34N1

Homework Statement http://www.physics.umd.edu/lecdem/outreach/QOTW/arch3/a046.htm According to the site, when a fan is blowing air into a sail, the entire cart system remains motionless. Why doesn't the following approach work: Since there are no net external forces acting on the entire...

[hide=My work]Pressure = F/A. There are four tires and four footprints so the total pressure of all four tires is 240*4+101.3 = 1061.3. I am not sure if I need to add the atmospheric pressure to the gauge pressure. There could be reasons for both. Adding atmospheric pressure is correct because...

The gauge pressure in each of the four tires of an automobile is 240 kPa. If each tire has a "footprint" of 220 cm2, estimate the mass of the car. @Mods: please move if this is too easy for this forum.