Question

Two blocks of masses 20 kg and 8.0 kg are connected togetherby

a light string and rest on a frictionless level surface.Attached to
the 8- kg mass is a second light string, which a personuses to pull
both blocks horiaontally. If the two- block systemaccelerates at
0.5 m/s ^2, what is the tension in the second stringattached to the
8-kg mass?

Answer 1

The tension is 14 N

Step-by-step explanation:

For this problem we have to use newton's law, so:

`F=m*a`

The second string is connected to the mass of 8 kg, but the mass of 8 kg is connected to the mass of 20kg, so we can say that the second string is handling the two masses. so:

`F=28kg*0.5(m)/(s^2)=14N`