A student placed two bar magnets under a sheet of paper and added iron filings on top as shown in Figure 1. Which image shows two magnets that were placed with the north and south poles facing each other?
FIGURE
IMAGE A
IMAGE B

An object has a weight of 500 on earth what is the mass of this object

Which subatomic particle has a negative charge

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive