(i)
Lower surface of solid
P = gh
Force = P x A = gh x A
= 800 x 10 x 0.5 x 4 x 10-4
= 0.96N
Upper surface of solid.
Force = P x A = gh x A
= 800 x 10 x 0.1 x 4 x 10-4
= 0.32N
(ii)
Upthrust = 0.96 – 0.32 = 0.6N
Weight of the solid = Density x Volume x g
= 2.7 x 103 x 0.2 x 104 x 4 x 10
= 2.16
Balance reading = 2.16 – 0.64
= 1.52N
Wilfykil answered the question on March 27, 2019 at 07:04
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