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Deva Pamarthi

· started a discussion

· 1 Months ago

GF (Question: 197412.0 )

Gravitational force is the primary principle

Question:
Ball pen functions on the principle of -
Options:
A) Viscosity
B) Boyle's law
C) Gravitational force
D) Surface tension
Solution:
Ans: (d) Ball pen function is based on the principle of Surface tension. Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible.

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