Question
Asked Oct 30, 2019
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17

17. A particle moving along the x-axis experiences the forces shown below. How much work does each
force do on the particle? What is each particle's change in kinetic energy?
b.
F (N)
a.
F (N)
10
10
5 -
x(m)
x(m)
0
6
5
1 2 3
3 4 5 6
2
1
-5
-51
-10
-10
W =
ae
W=
AK=
AK=
18. A 1 kg particle moving along the x-axis experiences the
force shown in the graph. If the particle's speed is 2 m/s at
x =0 m, what is its speed when it gets to x 5 m?
F (N)
2
x (m)
0
-2
0 1 2
3 4
O 2017 Pearson Education.
15
10
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17. A particle moving along the x-axis experiences the forces shown below. How much work does each force do on the particle? What is each particle's change in kinetic energy? b. F (N) a. F (N) 10 10 5 - x(m) x(m) 0 6 5 1 2 3 3 4 5 6 2 1 -5 -51 -10 -10 W = ae W= AK= AK= 18. A 1 kg particle moving along the x-axis experiences the force shown in the graph. If the particle's speed is 2 m/s at x =0 m, what is its speed when it gets to x 5 m? F (N) 2 x (m) 0 -2 0 1 2 3 4 O 2017 Pearson Education. 15 10

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The magnitudle of work olone i the mubtple of forre and displatement Wa=fore) (displacement) F.d 1 On the gaph of fore and displacement, are of the gaph egual to the work done. WhArea of Fd gaph

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Work- enery theorem The work done by the sum of all aes a eguals acting Change n the lefnetic energy of the Portcle the On a particle eguals AK Whet

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fort la) Height of tiangle, h- Bam of the tiangle, b 6 m Whet (Apca of taiangle)bh -(10N) im) = /o N = |30J brom the work - energy theorm AK Whet S0J AK

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Work,Power and Energy

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