A train pulls the boxcars. What are the vertical forces present?(1 point)
Responses
weight, pull of air on boxcars
weight, pull of air on boxcars
weight, push of tracks against wheels
weight, push of tracks against wheels
pull of air on boxcars, push of tracks against wheels
pull of air on boxcars, push of tracks against wheels
weight, friction
1 answer
weight, push of tracks against wheels