, Uerutrrn
co rn ~0 en -t. Cf- d force.,
LA.ti,c h C\
or
Norrnct \ fo rc e : il--e f:: rc e J ec t \.J-.h,ch ·1t i s ;n
su rfctCe e><:ut-s on an ob en d icu la r to ~
contocJ: ono\ \M'J',ch ·i5 pe rp
SU rfa ce .
. q\:- op Po ses u-e (V'()t;cn cf q n o 6j ec t
Fri cb o0 a I Forc e : th e force
-\:,h
ar d l.A.r''i ch a ct s pa rd \\e \ ro
u-e su rfa ce .
at opposes tJ.e B: nd en ~ o
f
dl Fo rce : th e force th
St qtic fri cb on ob je ct v--e.\e1tl<..e
M ot ·, cn of ct s t;c tti or a~
to q SU I fa c:e .
u---e M ot icn Of
bc Fr ie,t ionq\ Fo rce : kh e fv rc e b, ,a t op ~s es
l<·, ne
q mo vif =) o'oj-ec.b re.-\crtiv
e. to a su rfa ce
_:
i en n ob j ecb Cont in u es-. ·l n o s to tt of -
_ w_ o-1.-f_ b_
M_o_ q
.-1.N. .!. .a:~v l:__o_r._s_ ls_t_. _Lct res t or un ·t fo rrn rn ot icn lm o. Ji ~ w ih ,
eo nsla 0t veloc. i ~) u n \es s ~
cl.-ed' Llf=on
b~ C\ net- or resu I-ta nt fo rc e
en 9 0e \; force.. is q pp
l i ed t-o d n
N w tons -= 2.rd Lo w of M ob m : wh .\ er a ce.s i n tJ,e.
--- +- --- ob je ct Of Mq ss i t a c ce.
~ ::::..:..__ _ .:. ... .:= ---
d,recbcn Cf tJ-t-, 0e.tct\ro rce. . "The,
a ccelera t: ,on i s d i re. ~ prCfrse Ortien a r
\::1 \ve
to t\--e ne t- fo rc e an dm,Y'
as s
pr opor t1Q ') QI to ~
[ q oz Ff\~~ J
Of Mocim : w\ \e n ObjeC\; A e ~ ts a. force on
Newbons '3r d lA w
O~ ed ; B, ob jec \; ~ s·, m u\ to
r\e ou s~
e~er ts Qn opposi te-llJ d,rected fo rce
of eqµa, rnq3n\tude on o'oject A
Fnet - 0-et fnrce (N )
Fn e~ = 1v1 , q (Y) - rn qs s ( lc._g )
q - QCCe \e, rq cio O (M ..s- 2)
,FORCES /\, /\N f\.NG 1,.f.
CD
~-- / F11r-=lOON
Calcv /qte, ire acr.dera bcn
Ff"' ION ~ .30.:'._ - '
h"et ~ M .q Don 't \.---o.ve to work
F-:x.-Ff- ~ rn-q our ~ (on\~ fx)
FPtcoS9' - Ff = rn. C\
l c0:os ".X)
0
- 0 ::: 20 ·q
\ ~O)(. (.}Jon 't hf t as
lb,b02 .S := 7..0 .a F9 > F~ J
r i3 ht ►
2
9 ::: 3, 83 m .s -
q) (Qlcu /al;e accef eral:;on
b) Calw le1 f:e- tf-e te.r,s ;01
in tJ-e s{;r; n9
F0et :: rn .q
Fl'\ - Ff- = rf'I. q
F" - (ff+ Ff) = (5t2) . q
100- 3 = 7-9 -2.
q ::: 13 '36 I
('() , $
; so \ote.-. oo e-blod<-
hi
to work OJt be,nSicn
ff
Fnet-= rn .~
F-r -Ff= rn. q
FT - 2 = S L13 1 ~Sf,)
FT = 7 1,3 N
/. FT -:: : 71 3 N n 9\-)t ►
t -
, F°-3 11 ::. rnjSH1B'
F~ 1. -=- IY'S cos~
CD if Ff= 3tv ard Ff =ltJ
Ca.lQA{q/;e
q) aeceJera-bcn 6) -lens iCl1
q ') 11--e Wriole ScjS\:errl
Fneb=f"Y'l .q
FA -f911 -Ff~ fYl . q .
'30 - (Y\3s·,f)e- ~ ·=- f'(). q
80- (w1fi8)sin:D-Li-= \o.q
1.7 = \0.9
q-= 1- 17tvl • s-' ur ~ s\ope
fN
f., 11
fne\-;-==- rn •q
Vneb = fY'l .q
FT- ff-~,, -= (YI . q
·FA - ff -FT -'31,-= f'1 ·9
Fr- 3 -rr\3s ·, ne--= rn .q 80 - I - F, -01S5ino/:" Lt .q
t=:, - 3 -{i (ci,g)sif~.f =- E, -C\ io- \ - Fr - i, (q,~)s·, ~ =- 4--q
F, - ?;2. I 4- = b .C\
- fr-+ 5'7, 4- ~ 4- .q
f-T - 321 4- =- b. q
- Fi: ;-- (o9 / \- = 4-.q 'o') F-r - 3-Z., 4- = 6.q
2.,7 = \0.q f, - 3 Z , l+ -== 6 ( '2. 17)
q = 2 , ,rns_z '-"'P b--e s\oe e. ► h =- 4 8'J)N up ►
co rn ~0 en -t. Cf- d force.,
LA.ti,c h C\
or
Norrnct \ fo rc e : il--e f:: rc e J ec t \.J-.h,ch ·1t i s ;n
su rfctCe e><:ut-s on an ob en d icu la r to ~
contocJ: ono\ \M'J',ch ·i5 pe rp
SU rfa ce .
. q\:- op Po ses u-e (V'()t;cn cf q n o 6j ec t
Fri cb o0 a I Forc e : th e force
-\:,h
ar d l.A.r''i ch a ct s pa rd \\e \ ro
u-e su rfa ce .
at opposes tJ.e B: nd en ~ o
f
dl Fo rce : th e force th
St qtic fri cb on ob je ct v--e.\e1tl<..e
M ot ·, cn of ct s t;c tti or a~
to q SU I fa c:e .
u---e M ot icn Of
bc Fr ie,t ionq\ Fo rce : kh e fv rc e b, ,a t op ~s es
l<·, ne
q mo vif =) o'oj-ec.b re.-\crtiv
e. to a su rfa ce
_:
i en n ob j ecb Cont in u es-. ·l n o s to tt of -
_ w_ o-1.-f_ b_
M_o_ q
.-1.N. .!. .a:~v l:__o_r._s_ ls_t_. _Lct res t or un ·t fo rrn rn ot icn lm o. Ji ~ w ih ,
eo nsla 0t veloc. i ~) u n \es s ~
cl.-ed' Llf=on
b~ C\ net- or resu I-ta nt fo rc e
en 9 0e \; force.. is q pp
l i ed t-o d n
N w tons -= 2.rd Lo w of M ob m : wh .\ er a ce.s i n tJ,e.
--- +- --- ob je ct Of Mq ss i t a c ce.
~ ::::..:..__ _ .:. ... .:= ---
d,recbcn Cf tJ-t-, 0e.tct\ro rce. . "The,
a ccelera t: ,on i s d i re. ~ prCfrse Ortien a r
\::1 \ve
to t\--e ne t- fo rc e an dm,Y'
as s
pr opor t1Q ') QI to ~
[ q oz Ff\~~ J
Of Mocim : w\ \e n ObjeC\; A e ~ ts a. force on
Newbons '3r d lA w
O~ ed ; B, ob jec \; ~ s·, m u\ to
r\e ou s~
e~er ts Qn opposi te-llJ d,rected fo rce
of eqµa, rnq3n\tude on o'oject A
Fnet - 0-et fnrce (N )
Fn e~ = 1v1 , q (Y) - rn qs s ( lc._g )
q - QCCe \e, rq cio O (M ..s- 2)
,FORCES /\, /\N f\.NG 1,.f.
CD
~-- / F11r-=lOON
Calcv /qte, ire acr.dera bcn
Ff"' ION ~ .30.:'._ - '
h"et ~ M .q Don 't \.---o.ve to work
F-:x.-Ff- ~ rn-q our ~ (on\~ fx)
FPtcoS9' - Ff = rn. C\
l c0:os ".X)
0
- 0 ::: 20 ·q
\ ~O)(. (.}Jon 't hf t as
lb,b02 .S := 7..0 .a F9 > F~ J
r i3 ht ►
2
9 ::: 3, 83 m .s -
q) (Qlcu /al;e accef eral:;on
b) Calw le1 f:e- tf-e te.r,s ;01
in tJ-e s{;r; n9
F0et :: rn .q
Fl'\ - Ff- = rf'I. q
F" - (ff+ Ff) = (5t2) . q
100- 3 = 7-9 -2.
q ::: 13 '36 I
('() , $
; so \ote.-. oo e-blod<-
hi
to work OJt be,nSicn
ff
Fnet-= rn .~
F-r -Ff= rn. q
FT - 2 = S L13 1 ~Sf,)
FT = 7 1,3 N
/. FT -:: : 71 3 N n 9\-)t ►
t -
, F°-3 11 ::. rnjSH1B'
F~ 1. -=- IY'S cos~
CD if Ff= 3tv ard Ff =ltJ
Ca.lQA{q/;e
q) aeceJera-bcn 6) -lens iCl1
q ') 11--e Wriole ScjS\:errl
Fneb=f"Y'l .q
FA -f911 -Ff~ fYl . q .
'30 - (Y\3s·,f)e- ~ ·=- f'(). q
80- (w1fi8)sin:D-Li-= \o.q
1.7 = \0.9
q-= 1- 17tvl • s-' ur ~ s\ope
fN
f., 11
fne\-;-==- rn •q
Vneb = fY'l .q
FT- ff-~,, -= (YI . q
·FA - ff -FT -'31,-= f'1 ·9
Fr- 3 -rr\3s ·, ne--= rn .q 80 - I - F, -01S5ino/:" Lt .q
t=:, - 3 -{i (ci,g)sif~.f =- E, -C\ io- \ - Fr - i, (q,~)s·, ~ =- 4--q
F, - ?;2. I 4- = b .C\
- fr-+ 5'7, 4- ~ 4- .q
f-T - 321 4- =- b. q
- Fi: ;-- (o9 / \- = 4-.q 'o') F-r - 3-Z., 4- = 6.q
2.,7 = \0.q f, - 3 Z , l+ -== 6 ( '2. 17)
q = 2 , ,rns_z '-"'P b--e s\oe e. ► h =- 4 8'J)N up ►
