What is the net force on an object when you combine a force of 10n north with a force of 5n south?

Awalk up the phase change graph worksheet

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane