let T = force exerted by the tow bar on the car and caravanA car of mass 800kg is pulling a caravan of mass 1000kg along a straight, horizontal road. The caravan is connected to the car by means of a light, rigid tow bar. The car is exerting a driving force of 1270N. The resistances to the forward motion of the car and the caravan are 400N and 600N respectively.
Show that the acceleration of the car and caravan is 0.15ms-2
net force on the car ...
Fnet = 1270 - (T+400)
800a = 1270 - (T+400)
net force on the caravan ...
Fnet = T - 600
1000a = T - 600
solve the system of equations for T and a