3. Knight P9.20 The figure below is the force-versus-position graph for a particle moving along the x-axis. Determine the work done on the particle during each of the three intervals 0-1 m, 1-2 m, and 2-3 m. Fx (N) 5 4 F 3 N 1 0 1 x (m) 2 3

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Chapter1: Units, Trigonometry. And Vectors
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ers.
1
3. Knight P9.20 The figure below is the
force-versus-position graph for a particle moving
along the x-axis. Determine the work done on the
particle during each of the three intervals 0-1 m,
1-2 m, and 2-3 m.
Fx (N)
5
4 F
3
LL2
1
0
T
1
x (m)
2
3
Transcribed Image Text:ers. 1 3. Knight P9.20 The figure below is the force-versus-position graph for a particle moving along the x-axis. Determine the work done on the particle during each of the three intervals 0-1 m, 1-2 m, and 2-3 m. Fx (N) 5 4 F 3 LL2 1 0 T 1 x (m) 2 3
Useful information
Newton's 2nd law in rtz components
EF=mw²r:
ΣFt = mat
ΣF, = maz
Work-kinetic energy theorem
Work for variable force
W = AKE
Kinetic energy
W
Work for constant force
=
=
[F₂
mv7
r
Fx dx
W = F cos 0 Ax
KE = 1/2mv²
Transcribed Image Text:Useful information Newton's 2nd law in rtz components EF=mw²r: ΣFt = mat ΣF, = maz Work-kinetic energy theorem Work for variable force W = AKE Kinetic energy W Work for constant force = = [F₂ mv7 r Fx dx W = F cos 0 Ax KE = 1/2mv²
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