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King Fahd University of Petroleum

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Title: Slide 1 Author: Meyasssar Last modified by: Meyasssar Created Date: 5/3/2003 6:25:56 AM Document presentation format: On-screen Show Company – PowerPoint PPT presentation

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Title: King Fahd University of Petroleum


1
King Fahd University of Petroleum Minerals
Mechanical Engineering Dynamics ME 201 BY Dr.
Meyassar N. Al-Haddad Lecture 32
2
General Application of the Equations of Motion
Summation of moment in FBD summation of the
kinetic moment in K.D
3
Rectilinear Translation
4
Curvilinear Translation
5
slipping Vs. Tipping
If x gt 1.5 ft tipping
If x lt 1.5 ft slipping
6
Slipping Vs. Freely rotating
mg
FAmsNA
NA
NB
7
Wheely Vs. Non-Wheely
Wheely lift the front wheel off the ground
NB0
8
Example
9
Example
mk0.2 a ? Flip Or Tipp?
If x gt 0.5 m tipping will take place
10
Example
mm125 kg mR 75 kg a ? NB? FB? ms? Minimum
to Lift front wheel
11
Example
mBD100kg mABmCD Neglect q 30o w 6
rad/s TA ? TD ? aG?
12
Problem
m 80 kg mB0.8 NA? NB? When rear wheel locks
for break a ? Deceleration
13
Problem
m 80 kg mB ? NA? NB? a ? When traveling at
constant velocity and no break was applied
14
Problem
m 80 kg NA? NB? a ? mk? minimum When rider
applies the front break and back wheel start to
lift off the ground
15
Thank You
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