Question

Three blocks of masses m1=10kg, m2=20kg, m3=30kg are connected by strings on smooth horizontal surface and pulled by a force of 60N.Find the acceleration of the system and tensions in the string.

Answer 1

m1-10kg
m2-20kg
m3-30kg
m1+m2+m3=60
10+20+30=60
n=60/60
n=1