Help! Solve Tension in Link B Quickly

[struggling:(]

Help!... tension

Homework Statement

A train is made up of 3 carriages is pulled along a level track by a force of 16500N. Each of the carriages has a mass of 8000 KG, and each experiences 1500N of resistance forces. The train is accelerating at 0.5 m/s/s.

Work out the tension in link B

Homework Equations

F = ma

The Attempt at a Solution

Need some urgent help...homework due for tomorrow, thanks in advance!

 

[kuruman]

Where is link B?

 

[struggling:(]

there are three carriages call them X, Y, Z.
carriages x and y are connected by link a.
carriages y and z are connected by link b.

the engine is pulling via carriage x.

thanks for the quick response :)

 

[struggling:(]

hers a diagram, my paint skills aren't what they should be

 

[struggling:(]

thats me going offline, could you please send any answers to <personal email deleted> as i won't be able to access this site before deadline. help much appreciated!