gravity acting on the wagon friction acting on the wagon the mass of the wagon the mass of the child
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?
Possibilities:
- gravity acting on the wagon
- friction acting on the wagon
- the mass of the wagon
- the mass of the child

friction acting on the wagon