Summary Edexcel A Level Maths Mechanics Notes

of forces
lication
Zeeshan YT Video :




#GES at equilibrium T 20338

① P-Szjrt
-




(a) Moments at A




↑
-- To zg()
--




14x63sin30
Y 0 =
↑
R
.




My Tsinso
rT
=
XI + Y
M rsi nO 4 41 gx
Canti-docrenice
=

N
.




ya
T

i i
30 % C
B
x =
8 45 .




I
X O I
Ho


3C
9 v
y



"
A
is b R Xi Y]
,

crey and the = -




cence of mass

-
components (when taking

equilibrium
to maintain
moments at A)
I
S
+
2004 R(t) R(M)




--
-




O L f 1 =
f =
0
X -
631338 8 63Sin 30-
2g
=

TsinO y 0
-


=
a
X = 63130 y = 63 in30- Ly
G
&


7 O (
=
Z
=
11 .

9
H O
&



ding
A of mass)
65-11
X con the cence
-
1 =
. 9
I
R =
XI

IR1 = /"
(11 9) + .
:




=
55 8 N
Tes O
.




3 (35f)




Ho
--- * ↑
O
2
X
A O
0 5m
.

↑
& 45
=


Lisoceles

.
D
triangle)

B
(a)
3gx0 75
2
Moments at




.
.




25g
=



=
0 xTsinO .




0 5 Tsing -45
.
A




Ima im
Li 2 0 5 Tsin 45
25 g =
.
.




·
yu
"
2
I
↓
i
y XI-e T 62 ...
3668
= =
.




2
4n
=



.




(2)
"Fr
b

+ =
0

62 42845.
-


X = 8
X 62 42845

=
= .




X-YI


2Hi
X
I
R(4) 162
42345)" (55)2
. +

0(
↓g f =
G 46 515 ---




*
= .




y
v
7
T Tsing 62 4 sin 45
.
-



3y
-


Y =
8 65N .




- - -
F Y =
62 4 sin
.

45-3g
452
2 3g
=
. -




2