Fx versus position x fo

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The first figure gives spring force FX versus position x for the spring-block arrangement of the second figure. The scale is set by F₂ = 200
N. We release the block at x = 13.0 cm. How much work does the spring do on the block when the block moves from x; = +8.0 cm to
(a)x +7.0 cm, (b) x = -7.0 cm, (c) x = -8.0 cm, and (d) x = -11.0 cm?
F
-x (cm)
-2
-1
0
1
-F
x=0
Ę=0
00000000
x positive
F negative
(a) Number i
Units
(b) Number i
Units
(c) Number i
Units
(d) Number i
Units
(a)
d
Block
attached
to spring
(b)
x negative
Ę positive
(c)
Transcribed Image Text:The first figure gives spring force FX versus position x for the spring-block arrangement of the second figure. The scale is set by F₂ = 200 N. We release the block at x = 13.0 cm. How much work does the spring do on the block when the block moves from x; = +8.0 cm to (a)x +7.0 cm, (b) x = -7.0 cm, (c) x = -8.0 cm, and (d) x = -11.0 cm? F -x (cm) -2 -1 0 1 -F x=0 Ę=0 00000000 x positive F negative (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units (a) d Block attached to spring (b) x negative Ę positive (c)
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