Question

rezolvare completa va rog!

Answer 1

Pt.m:Vectorial:T+G=ma

Scalar:T-mg=ma (1)

Pt. M:Vectorial:T+G'=Ma

Scalar:Mg-T=Ma (2)

(1)+(2)=>g(M-m)=a(M+m)=>a=g(M-m)/(m+M)=9,8(3-2)/(3+2)=9,8/5=1,96 m/s^2

T=m(a+g)=2(1,96+9,8)=2•11,76=23,52 N

Vectorial:F+T+T=0

Scalar:F-2T=0=>F=2T=2•23,52=47,04 N