When force is parallel to the distance between the fulcrum and the line of action of force​

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?

From the perspective of an employee that effective channeling of work related information and concerns

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?