A ceramic like measuring 100 cm x 100 cm has been designed to bear a pressure of
80N/M². Will it withstand a force of 10 N?
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Answer:
Your answer is
Explanation:
Area A=100㎠=100×10
−4
㎡
Thickness dx=2㎜=2×10
−3
m
Co efficient of viscosity=15.5 poise=1.55pa
Velocity=3㎝s
−1
=3×10
−2
㎧
F=ηA(
dx
dv
)
=
2×10
−3
15.5×10
−1
×100×3×10
−4
×10
−2
=
10
−5
23.25×10
−7
F=0.2325N
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