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cestlavie's latest activity
cestlavie
reacted to
kuruman's post
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Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
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Informative
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What weight? One tends to think that when a spring is compressed such that one end is prevented from moving as in up against a wall...
Mar 27, 2024
cestlavie
reacted to
PeroK's post
in the thread
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
with
Informative
.
This is something many students get wrong when they first see it. If you apply a single ##50N## force to a spring, then (by Newton's...
Mar 27, 2024
cestlavie
reacted to
haruspex's post
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Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
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Like
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You have to start with the definition of spring constant: if the spring length is reduced by x then the force with which it pushes at...
Mar 27, 2024
cestlavie
replied to the thread
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
.
Okay, this is what I was missing! So the second force in my and @erobz's example is Newton's third law in application. But because...
Mar 27, 2024
cestlavie
posted the thread
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
in
Introductory Physics Homework Help
.
$$F=kx$$ $$k=\frac F x= \frac {50+50~N} {5+5~ cm}= \frac {100~N} {10~cm}= 10~N/{cm}$$ However, the answer is ##5~N/cm##, because the...
Mar 27, 2024
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