Q#1: Consider the block weigh 20 lb, that the tension T can be increased to 8lb before the block starts to slide, and that a fone of 4lb keep the block moving at constant speed it has been set in motion. Find the once co efficient of static and kinetic friction..
Q#1: Consider the block weigh 20 lb, that the tension T can be increased to 8lb before the block starts to slide, and that a fone of 4lb keep the block moving at constant speed it has been set in motion. Find the once co efficient of static and kinetic friction..
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Transcribed Image Text:Q#1: Consider the block weigh 20 lb, that
the
tension T can be increased to 8lb before the
block starts to slide, and
that
a fone of 4lb
will keep the block
moving at constant speed
the
once it
has been set in
motion. Find
co efficient
of static and kinetic friction.
angle of 30 above
a 20lb
Q#2: What force T, at an
the horizontal, is required to drag
block to the right at constant speed, if the
co efficient of kinetic friction between the block
and
the surface is 0:20 ?
Q#3: What is the frictiom force if the block
is at rest on
the surface amd
force of 5N is exerted on it ? The block
is attached to a having tension 1.
the hori2στta!
string
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