Ki ng Fa hd U ni ve rsi ty of Pe tro leu m & M ine ral s M ech ani cal En gin eer ing Dy na mi cs M E 20 1 BYBY Dr. M ey ass ar N. Al - Ha dd ad Dynamics 201, Lec 01

Ou tli ne T e x t b o o k C a t a l o g D e s c ri p ti o n G r a d i n g s y st e m H o m e w o r k A tt e n d a n c e E x a m s S e c ti o n I n tr o d u c ti o n V e c t o r a n d S c a l a r r e v i e w D is t a n c e a n d D is p l a c e m e n t r e v i e w S p e e d a n d V e l o c it y E x a m p l e s Dynamics 201, Lec 01

Te xt bo ok En gin eer ing M ech ani cs, Dy na mi cs R. C. Hi bb ele r, 8 th Ed iti on & Dy na mi c St ud y Pa ck

Ca tal og De scr ipt io n: ( ) K i n e m a ti c s o f p a rt i c l e i n v a ri o u s m o ti o n. F o r c e a n d a c c e l e r a ti o n. W o r k a n d e n e r g y r e l a ti o n s. I m p u ls e a n d M o m e n t u m. D y n a m i c s o f ri g i d b o d i e s i n p l a n e m o ti o n. Dynamics 201, Lec 01

Gr ad in g sys te m 5 % A tt en da nc e (Fo r une xcu sed abs enc e, 0.5 mar k will be ded ucte d) 1 0 % H o m e w or k A ss ig n m en ts 2 0 % 1 st M aj or E xa m 2 0 % 2 n d M aj or E xa m 1 0 % Q ui zz es 3 5 % Fi na l E xa m Dynamics 201, Lec 01

H om ew or k H o m e w or k pr o bl e m s ar e pr e- as si g ne d in sy ll ab us 5 pr o bl e m s ev er y w ee k. A ll h o m e w or k pr o bl e m s as si g ne d d ur in g a gi ve n w ee k ar e d ue in cl as s o n th e fo ll o w in g M o n da y u nl es s st at ed ot he r w is e. L at e H o m e w or k w ill n ot be ac ce pt ed Dynamics 201, Lec 01

At te nd an ce A tt en da nc e w ill be ch ec ke d d ur in g ea ch le ct ur e. T he o nl y ac ce pt ab le ex cu se fo r ab se nc e is th e o ne au th or iz ed b y th e D ea ns hi p of St u de nt A ff ai rs o n th ei r pr es cr ib ed fo r m. T hi s ex cu se d sh o ul d be pr es en te d to th e in st ru ct or n o la te r th an o ne w ee k fo ll o w in g th e re su m pt io n of cl as s at te n da nc e. F or an y u ne xc us ed ab se nc e, 0. 5 m ar ks w ill be de d uc te d fr o m th e at te n da nc e gr ad e. A n y st u de nt ha vi n g m or e th en 9 u ne xc us ed ab se nc es w ill re ce iv e a gr ad e of D N fo r th e co ur se. Dynamics 201, Lec 01

Of fic e H ou rs O ffi ce H o ur s : –9:00 – 10:00 Sat, Mon, Wed–9:00 – 10:00 Sat, Mon, Wed –11:00 – 12:00 Sun, Tue–11:00 – 12:00 Sun, Tue L oc at io n –Building 22–Building 22 –Room233–Room233 P h o ne Dynamics 201, Lec 01

Ex am D ay s 1 st M aj or E xa m (2 0 % ) –April 6th, 8-10 p.m.–April 6th, 8-10 p.m. 2 n d M aj or E xa m (2 0 % ) –May 19th, 8-10 p.m.–May 19th, 8-10 p.m. Fi na l E xa m (3 5 % ) –Arranged by registrar–Arranged by registrar Dynamics 201, Lec 01

Ar ea s of me ch an ics (Se cti on 12.1) Mecha nics Rigid- body Static Equilib rium body Dyna mics Accele rated motion body Kinem atics (Geom etric aspect of motion ) Kineti cs (Analy sis of force causin g the motion ) Defor mable- body fluid

Ar ea s of me ch an ics (se cti on 12.1) 1)S t a t i c s ( C E ) - C o n c e r n e d w i t h b o d y a t r e s t 2)D y n a m i c s -C o n c e r n e d w i t h b o d y i n m o t i o n 1.K i n e m a t i c s, i s a s t u d y t h e g e o m e t r y o f t h e m o t i o n s, v, a, & t 2. K i n e t i c s, i s a s t u d y o f f o r c e s c a u s e t h e m o t i o n F, m, m o t i o n Dynamics 201, Lec 01

Re vie w of Ve cto rs an d Sc al ars A V e c t o r q u a n ti t y h a s b o t h m a g n it u d e a n d d ir e c ti o n A S c a l a r q u a n ti t y h a s m a g n it u d e o n l y Dynamics 201, Lec 01

C a n b e r e p r e s e n t e d b y a n a rr o w ( c a ll e d t h e “ v e c t o r ” ) L e n g t h o f t h e v e c t o r r e p r e s e n ts t h e m a g n it u d e o f t h e q u a n ti t y S y m b o ls f o r v e c t o r s: –(e.g. force) F, or F,or F (bold type)–(e.g. force) F, or F,or F (bold type) Ve cto rs F 2 F Dynamics 201, Lec 01

Di sta nc e an d Di spl ac em en t 8 k m = D i s t a n c e 3 k m = D i s p l a c e m e n t Dynamics 201, Lec 01

D i s t a n c eD i s t a n c e –total length of path travelled–total length of path travelled –must be greater than (or equal to) magnitude of displacement–must be greater than (or equal to) magnitude of displacement –only equal if path is straight–only equal if path is straight –symbol d–symbol d D i s p l a c e m e n tD i s p l a c e m e n t –direct distance–direct distance –shortest distance between two points–shortest distance between two points –distance between start and finish points–distance between start and finish points –“as the crow flies”–“as the crow flies” –can describe with only one direction–can describe with only one direction –symbol s–symbol s –s = xfinal - xinitial–s = xfinal - xinitial Dynamics 201, Lec 01

Sp ee d an d Ve loc ity m k s u n it i s m s -1 Dynamics 201, Lec 01

S c a l a r s ( e. g )S c a l a r s ( e. g ) –distance–distance –speed–speed –mass–mass –temperature–temperature –pure numbers–pure numbers –time–time –pressure–pressure –area, volume–area, volume –charge–charge –energy–energy V e c t o r s ( e. g. )V e c t o r s ( e. g. ) –displacement–displacement –velocity–velocity –acceleration–acceleration –force–force –weight (force)–weight (force) –momentum–momentum Dynamics 201, Lec 01

Re vie w Dynamics 201, Lec 01 av A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ?

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=0t=0 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=1t=1 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=2t=2 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=3t=3 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=4t=4 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=5t=5 Dynamics 201, Lec 01

Re vie w a v A r e y o u g oi n g u p o r d o w n ? A r e y o u s p e e di n g u p o r sl o w in g d o w n ? W h a t w ill y o u r v el o ci ty b e in 1 s e c o n d ? t=6t=6 Dynamics 201, Lec 01

B un ge e Ju m pi ng Dynamics 201, Lec 01

M oti on 1 Dynamics 201, Lec 01

M oti on 2 Dynamics 201, Lec 01

M oti on 3 slowingslowing Dynamics 201, Lec 01

M oti on 4 bottombottom Dynamics 201, Lec 01

M oti on 5 speeding upspeeding up Dynamics 201, Lec 01

M oti on 6 Still risingStill rising Dynamics 201, Lec 01

M oti on 7 toptop Dynamics 201, Lec 01

VelocityAccelerationVelocityAcceleration VelocityAccelerationVelocityAcceleration bottombottom

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