Question

please help quick please............

Answer 1

F = ( m1 + m2 + m3 ) a

a = F/m = 60/30 = 2m/s^2

T1 = (m1+m2+m3) × a = 25×2 = 50

T2 = m3 × F / m1 + m2 + m3 = 15×60/30 = 30

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Answer 2

Answer:

t1=( m1+ m2)F /m1+m2+m3

(10+15)60 / 30 =25×2=50

therefore t1=50

and

t2=(m3)F/m1+m2+m3 =15×60/30= 15×2=30

therefore t2=30

so,T1=50 and t2= 30