fmech wrong mark scheme?

[supple tartan]

Can someone attempt this q cuz I think the mark scheme is wrong in part b

They've done moments but used the wrong distance

(They did 108 * 259/54 = 518 when it should be 108 * (5-259/54 which = 22)

[hoary mesa]

yo

[supple tartan]

Yh

do u know how to do this

[hoary mesa]

p = m/a right

[supple tartan]

yh for density

[hoary mesa]

yh

[supple tartan]

they use moments

[hoary mesa]

yh 1 sec

[supple tartan]

This is Yr 13 fmech btw

[hoary mesa]

yh i just want to try it

wait

yh ur right

it should be 5-

nad the other distance is

the height of that triangle

@supple tartan ms defo wrong

should be 108 * (5-259/54)

[supple tartan]

yh

thought so

just like this

thanks

[hoary mesa]

exactly