Pressure Igcse

IGCSE PRESSURE CALCULATIONS Q1. What pressure on the snow does a snowmo!"e ma#e !$ !t has a we!%ht o$ &''N and the runners ha(e an area o$ '.)m) *

Q). Ca"+u"ate the pressure %enerated , an ord!nar, shoe hee" -person o$ mass '#%/ hee" 0+m  0+m2/ an e"ephant -o$ mass 0''3%/ $oot o$ )'+m d!ameter2 and a h!%h4 hee"ed shoe -person o$ mass '#%/ hee" o$ area '.0+m)2. Wh!+h ones w!"" dama%e the $"oor that starts to %!(e wa, at a pressure o$ '''#Pa* Note to +on(ert $rom +m) to m) ,ou need to d!(!de , 1'/'''

Q5. The manometer on an !ndustr!a" ma+h!ne shows that the o!" r!% !s e!n% pushed towards the ma+h!ne and the he!%ht d!$$eren+e/ h !s )'+m. What !s the pressure !ns!de the ma+h!ne !$ the pressure outs!des !s 1''#Pa* The o!" has a dens!t, o$ &'' #%6m5

Q. An An a7uar!um !n a 8sea "!$e9 +entre has a tunne" throu%h a tan# o$ water at a depth o$ 0m e"ow the sur$a+e w!th a pressure o$ 1''#Pa $rom the a!r ao(e. The manu$a+turer %uarantees the tunne" to a pressure d!$$eren+e o$ )''#Pa. Is the tunne" sa$e*

Q0. The pressure %au%e on a sumar!ne !n a r!(er was read!n% 1''#Pa when !t was at the sur$a+e. I$ the sa!"or not!+es that the %au%e !s now read!n% )0'#Pa/ how deep !s he * :ow wou"d the answer +han%e !$ he was d!(!n% !n sea water that !s s"!%ht", denser than $resh water*