A 5kg dog has several balloons tied to it, applying 20 N of upward tension force. How much normal force acts on the dog?

Write a question about how changing temperature affects the gas inside the sports ball

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential