Arriving at a sandy ocean beach early in the day, you set up a blanket and chairs just feet from the water. After a swim in the surf, you decide to go off the beach to get a snack. When you return to the beach later in the day, your chairs and blanket are soaked from the ocean. What force has moved the ocean water level up and back down the beach?

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)