A uniform plank of length 2.00 m and mass 32.5 kg is supported by three ropes...

Question

Question

Answer 1

Answer #1

Answer 2

Answer #2

Equating forces in horizontal direction

T1 cos(40) =T3

Equating force in vertical direction

T1 sin (40) +T2 = 32.5*9.8+720 = 1038.5

Equating moment with respect to left end

T1 sin(40) * 2 =720*0.425 + 32.5*9.8*1 = 624.5

T1 = 624.5/(sin 40) = 971.55 N (ans)

T3 = T1 cos(40) =744.25 N (ans)

T1 sin(40) +T2 =1038.5

T2 = 414 N (ans)

Answer 3

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