What are some things that can impact your mental health?

What properties of a moving object are used in determining the object's energy of motion

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration