State the relationship between magnetic domains magnetic materials and magnetic force

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points