Question

Can someone explain how to solve
(i) and (ii)?​

Answer 1

Hi,

Explanation:

1) the weight is supported by T1 and T2:

T1+T2=12 (kN)

2) the boat is in balance

Moment of T1 about C + Moment of T2 about C+ Moment of W about C=0

T1*1.2-T2*0.4+0=0

`T_1,T_2\ are\ in\ kN.\\\\\left\{\begin{array}{ccc}T_1+T_2&=&24\\1.2*T1-0.4*T_2&=&0\\\end {array} \right.\\\\\\\left\{\begin{array}{ccc}3*T1&=&T_2\\4T_1&=&24\\\end {array} \right.\\\\\\\left\{\begin{array}{ccc}T1&=&6\\T_2&=&18\\\end {array} \right.\\\\\\`