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Unformatted text preview: N:mc{nrinﬂ:__ . .__£’L_ ___ ___ ‘I'able — Gmup Honor Code: _I have neither Even :mr rec‘ejtggfuqmqn:.anri'zggf aid
an this: law: Signature: ME 201 Test #1 February 2, 200? NUTES:
II Sign andpravide idenﬂﬁring info an every sheaf.
 Use prupm' vermr nomrfan in a}? nasal: Myer? vecmrs are used.
a In rungs; fumfw'ug Newton '3: Lawn yuu arEREQUIRED m dramaumphvm um." carrot! FED! and when HIE pmhfem is dynamics. you must also draw compfcre and cane“ EDI. We” use “i939 fa develop your grjvemr'ng
aquarium. I 19" you mayau calcuhmr roperform may calculus {hm ml'gh! t'nvafve trig or smﬁurfuncrfam. are.“ yaw L'afcuiamr
m [Ira radian modeﬁrﬂ. o In HR cams, rEmEmher m 5&er rem5'3 wﬂh magnimdet dimeﬁan. units andpm Jmurr ﬂﬂSWE‘f in a bar. l . {Qt} pls} Thc mcmhcr 03C and pullcyr at C together
have a mass ofﬁﬂﬂ kg. with a combined center ofrnnse
(ccntcr ofgravity} at U. Thc sizc of the pulleyr is
negligible compared to tltc other dimensions. The
collar al A can providc support only in thc horizontal
djrcction and contacts the mcrnhcr on one side or the
other. Calculate thc reaction forces at the collarA
and at the frictionless pin connection at 0 when the 3—kN load is applied. 2. {2D pls] The force F is applied to the ZUU—Ih block A
which rests amp the 10041:: crate. The system is at
rest when P is ﬁrst applied. The dimensions ofthe
block and crate are negligible. Delermine the forces
between A and B and at the bottom of the erale B
iHu] P = {nil lb, (3)] P = 312] lb, and {r} P = 120 lb. If
either body is not in equilibrium in either ufll'te three " ' '
lead crises, catculale the accelerations of the bodies. 3. (2H pts} On its takecff'rell. the airplane starts frcrn rest and accelerates aeecrding to a = an  kvz, where
an is the constant acceleraticn resulting from the engine thrust and 4w: is the acceleraticn due tc
aerodynamic drag. Il'aﬂ — 2 l'lL'rSBCZ, k = ﬂﬂﬂﬂtld m", and the speed a is "I: ' '0 F= 25“ I‘m“h
in meters per second, determine the ' '
length cl" runway required for the
airplane to reach the takccl'f speed
cl‘ZSUkmth it‘the drag term is {a}
excluded and [h] included. 4. [20' pts] The robot arm is extending and is rotating about pin 0. At a given instant, t? = 3D”, d6de = {31.4 radtsee,
:11de: = 43.15 Tammi != 0.5 m, d mu: 0.2 mtsee, and.
d2 ."t'dt2 = 0.3 INSECI. Compute the inelottlt},r and acceleration vectors of the gripped part P. If the pant P
has amass of2.5 kg, ﬁnd the force vector acting on P.
You mail»r use any coordinate system you wish, but be sum to show your choice. 9:35;" i=5 f“= Lu"
éﬁﬁﬂe frf‘ #0.:
31*“; {=3 e .3. 5. [2t] ptsl The pickup truck, which weighs 5,
315m ll: with mass center at 6., is hauling t
the tEttJ'U—Ib trailer with mass center at (£1.
Wl'lilt.‘ going down a lﬂ—pereenl grade, the
driver leeks his brakes and deeelerates at 3
Mecca. There are no hralces an the trailer.
Using the coordinate system shown,
emnpute the x— and y—cmnpaneltts 0f the
I‘uree exerted on the trailer at I) hy the
truck. Neglect the rolling resistance af'the
tires and all relational eﬂ'eets of the wheels. ‘l—Iml‘LQ/r 1cm $09059 gﬂ’cﬂs— ...
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This note was uploaded on 04/27/2008 for the course ME 201 taught by Professor Biggers during the Fall '08 term at Clemson.
 Fall '08
 Biggers
 Statics

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