Recent content by drunkenrobot

Homework Statement A cannon is bolted to the floor of a railway carriage, which is free to move without friction along a straight track. The combined mass of the cannon and carriage is M=1200 kg. The cannon fires a cannonball, of mass m=1.2 kg, horizontally with velocity v=115 m/s. The...

so I have a force of 10 N pulling to the left?

ok, so for the first one I have 30 N pulling it in one direction (let's say to the left). So then the tension Force (Ft) is pulling in the opposite direction, right? But this is where I get confused. I don't know how to find the magnitude of the tension force.

Homework Statement 3 carts are connected by strings. The first cart is 5kg, the second 2kg, and the third 8kg. A string is fixed at the front of the first cart is pulled with a force of 30 N. In the following problems be sure to illustrate your answers with the corresponding free body...