Spring Forces
AP Physics C Mechanics · Flashcards
AP PHYSICS C MECHANICS · FLASHCARDS
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QUESTION
What is the potential energy stored in a spring?
QUESTION
Identify the phase of motion when a spring is at maximum extension.
QUESTION
Determine the spring constant if
F
s
=
−
10
N
F_s = -10 \, \text{N}
F
s
=
−
10
N
and
x
=
0.25
m
x = 0.25 \, \text{m}
x
=
0.25
m
.
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ANSWER
k
=
40
N/m
k = 40 \, \text{N/m}
k
=
40
N/m
. From
F
s
=
−
k
x
F_s = -kx
F
s
=
−
k
x
, solve
k
=
−
F
s
x
=
−
−
10
0.25
=
40
k = -\frac{F_s}{x} = -\frac{-10}{0.25} = 40
k
=
−
x
F
s
=
−
0.25
−
10
=
40
N/m.
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