_ .... -----·-··· .. --··----·-·---·-·----- -------· ·-··· ... ---·-·-·

10 X 25 = 250

OS x 150 - 750

101)0/ 10

_____ ........, __ ===============a.==============

-------..--,.---·-

---

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B ri;i:i C (r,.mo grn.15:irs,63 e.,oaa��"' � e �f). B e5@m rotfj<ll'®m oav C Ei3 e�Dmc., So:i .... ,�f,&.!:::n.

_hl.�0-�0"'--

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(1 + e) ::;: ..--2- u 0

A B C

A B

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------·---------------------------

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b. Sa 6Jf) �nD1,:oO::rl @omi0.mm.2 �·

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o = &;.r. ©=-, I -,.J

r--

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2'

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0

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R

M

A c,'<;wJ t mg - T = mf © Mg

T + ms - 71

= n,j;©

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©

V

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r;; b

__ L

0

...

m B

m .)A

lT, * f

fB m.r,

TA

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)

ms-l 00 � 2!1'10m25>.

g:o::;)t;12� &e<:::; F = l 000 P I-' 0

/ F + Afg sin a - R = Ma. @

JOOOP �.¢- --- + Mg sin a - R_ ·- Ma

I' lOOOP

R .. ·A1g sin a+ Ma CD

·· R-A1gsma , :,;.,

: s

F

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" ::: 1000 P

R - Mg si,1 a 0

R

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J Vt

J

l2sJ

m ·

a

m m

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:. AB = J\O + OB

= - (2i + j ) + (3 i - j )

= i - 2j 0:. AB = � = .fs_..

OC = xi + yi cl8 en£@.- -

OA J_ OC £3C'.l:>, (2j + j ) . (xi + yj) = 0

C A

D

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' I

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6€ £:it:)J, X = ±

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· XX -

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=

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3 ) 0

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3 3 3

B

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t?IE:·115·dd° @-t�:iczrl:251.

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w

2 �in (;+a)

(1

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0

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0

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PG)

©

1w

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···----

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1-

w

4

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B 8 et22?f!d� B<w <;i.��1ll.

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= 2 +

To

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02

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=

=

=

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P ((AU 8)1 )

- P(A U B)

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I

3 10

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(a)

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= 200. 0 ===;;,:--�-·

12

(b)

=

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T 2

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I I

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200

0

0

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= VU,V, E) + V(B;, TY)

- -

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�

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--}lo- -

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l v-u ·0

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a.Jf.ffu

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ll V -u

= 0. 0

I 25 I ------------------------------------------------------------------------

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Am

(a)

Ace of (X, E)

Ace of (Q,E)

T T

= �

th , .

.F

( .. f qe)c:, £00)

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P qoC.?,€\0 X /s3 0{3::>S)(:J Cj�cJ)J ; •;:, ·@

' /'-- F . 1�

-+ T = 3 m F + rn (F + ·-2- ) · . :,

X + y + Z £3c.!?.5'l�5.

= f-F

(b)

Q $ ve.mc:; O�ef.>J

T- mg {I "" m (f- F +;)2 ,.

� 2mg{!-T- 2mfl @

@

( s = ut + l ar - for .A')' 2

------------------------------------------------------�------------------

P.E. = 0

l.,n/ + m� (2a cos0) = 0 + mo. 4a tis\ 2

c. C, �

v2 = 4oa (2 - cos B), � < 0 < 2n fs'0

. 3 �

mg cos0+ R = ;::2

= 2mg(2 - c.osB'J @+ 0

=., R = mg(4 - 3cos0) >·O - (i) 0

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� 6 mg

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S=

m (0)

� 2 0

0

r-1I 20

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25 - 35

35 - 45

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ll

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50

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50

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150

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EJ ------------------------------------------------------------------------

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