A square wire frame of side l is floating
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a square wire of side L is floating on the surface of liquid of surface tension T. the force required to pull out the frame from the liquid is
Asked by admin @ in Physics viewed by 331 People
a square wire of side L is floating on the surface of liquid of surface tension T. the force required to pull out the frame from the liquid is
Answered by admin @
Answer:
F= 8TL
Explanation:
A square wire of side L and T value liquid surface tension. But
the surface tension of a liquid is defined as the force per unit length in the plane of the liquid surface, acting at right angles on either side of an imaginary line drawn on that surface. Thus,
Since, membrane has two free surfaces, total force acting is given by
F=2×T×F
=2×T× boundary of frame
F=2T×4LF
=2T×4L
F=8TL
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