Question

= 29N ст 53N Х 13 2 cm sh a). k=9cm 105. m = 4cm TWO STRINGS ARE ATTACHEN TO A Hook AND THE Tenslons ARE D-29 N AND E 53 N POR EACH. RESOLVE X AND E acond FORCE Y AXES. CALCULATE THE component (N) Acono AND Y AXI RESOLVE FORCE scono AD Y AXES. CALCULATE The componens (ue Konc x AND Y Axis. х X B).

Answer 1

et LE=53N D = 29N kolem 19= 8cm h=2cm m=um 105° X -axis ly can E consider the string a E sino = 53 sin (66) E=53N 02 Ecoso, 53 cos (66) consider triangle k=9cm O2 m=4a tan By using function 9cm 2 ИUm m tań (+) O₂ o 2 fouce E along 66.0.375 - E cos O₂ rraris = S-53 ces (66.0345 ) 21.525 N =21525N

force E along yo anais E sin a 53 din (66.0375) = 48,432 N (1) D b) consider string 29sin (75.9) D=29N Ig : :8cm 01 n=2cm 29 cos (7.9) tan function 8 cm By using tano, = g den e = tant (2) 75.9640 X -anis Force D along Dcos o = 29 cos (75.964) 7033 N Forne D along Y-arais D sin o, 29 sin (75.964) = 8.13 N.

a)

(i) the component of E along X axis = -21.525 N

(ii) the component of E along Y axis = 48.432 N

b)

(i) the component of D along X axis = 7.033 N

(ii) the component of D along Y axis = 28.13 N

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