Find pressure altitude at cruising altitude barometric altimeter setting 30.42 in. hg cruising indicated altitude - 20,500 ft outside air temperature at altitude --22.32 deg f atmosphere table 2.1 o 20,500 ft o 21,000 ft o 20,450 ft o 20,000 ft

-4 on

the moving of the box is a result of centripetal force. think of that  as a car or a truck in this case creates a turn, the force of friction performing upon the turned wheels of the car runs centripetal force obligatory for circular motion for the things inside it.