CBSE Class 8 Science - Physics (2)
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Date : 03/05/2014
(1) Give Reasons For
a) People often encounter problem like nose bleeding when they reach high attitude .
b) We don’t wear pointed heels shoes on a beach.
c) A boy weighs 10 kg on the moon, while his weight on the earth was 60 kg .
d) School bags have broader straps.
e) Wheels of military tankers are covered with a board strip
b) Atmospherics Pressure
(3) Calculate the pressure if a force of 23 N is applied over an area
of 46m2 ?
(4) Why does a feather float on water?
(5) Define 1 Pascal?
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