PLEASE HELP! Caitlin created a model of balanced forces using the following steps:

1. She found a rope and asked two friends to help her.
2. She placed each friend at opposite ends of the rope.
3. Each friend pulled on the rope using different strengths of force.
4. The rope did not move.

Which statement describes how Caitlin could correct the steps in her model?

A. She should to use a push force to demonstrate balanced forces on an object.
B. She should have placed both friends at one end of the rope.
C. Each friend should use the same force to pull on the rope.
D. To model balanced forces, the rope should move around.