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S stems

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FullsolutionsnowonVital

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Homewor t iswee

Availableon

Mastering

Eng

after

lecture

today

Dueby11pmonSaturday22nd Oct

Doesnotcounttofinalmodulemark

Nextweek

HomeworksetatlectureonMonday

Dueby

following

Saturday

29th Oct

at

11pm.

Thishomeworkwillcount5%tofinalmodulemark

NolectureonWednesda 26th October

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, . ., , . ., , ., , . . , . .,

Comparisonof

Measured

and

Block

Structured

Simulations

for

the

F16XL,

JournalofAircraft,46(2),2009,377384.

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Learnhowtosimplifyasystemofforcesintoan

e uivalentforce

and

cou le

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andequalmagnitude

Themomentduetothepairof

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Netforceiszero

FrFrr

)(AB

Momentonlydependsonrelativepositionofpointsofapplication

Doesnotdependonthelocationofapplication

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MMM Resultantcouplemomentisthe(vector)sumof

t ecoup emomentsact ng

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Hibbeler F419

Determinetheresultingcouplemomentonthebeam.

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Hibbeler F421

Determinethemagnitudeoftheforcesothattheresulting

couplemomentactingonthebeamis1.5kNmclockwise.

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Magnitude

of

force

is1. 2.33kN

2. 2.00kN

. .

4. 2.33kN

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21R

22110R

ForcesandCouple replacedbyequivalentforceandcouple

motionor

in

same

restraining

force

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Hibbeler F426

Replacetheloadingsystembyanequivalentresultantforce

an coup emomen ac nga po n .

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Hibbeler F427

Replacetheloadingsystembyanequivalentresultantforce

an coup emomen ac nga po n .

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EquivalentcouplemomentaboutAis

1. 960Nmclockwise

2. 480Nmanticlockwise

3. 960Nmanticlockwise

4. 480Nmclockwise

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Manycaseswhereloadingisdistributedacrossanobject

n gure,t epressurevar esw t x

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dxxwF

Thisistheareaunder

theloadingcurve

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thesame

net

moment

about

O

asthedistributedsystemofforces

dxxxw

x

)(

dxxw )(

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3kN/m

1.8m 2.4m

e er

thebeam

measured

from

A.

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e er

thebeam

measured

from

A.

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. m

2. 4mx

4. 6m

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