In which of these cases is a waiter doing work on the object section 1 : the waiter is carrying a tray of glasses across a room. section 2 : the waiter is pushing a cart across a room

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?

Select the correct answer. what happens to the acceleration of an object if the net force on it increases? a. the acceleration increases. b. the acceleration decreases. c. the acceleration becomes zero. d. the acceleration remains the same