Interactions

Aisha has two bar magnets, Magnet P and Magnet Q. When she brings the left end of Magnet P close to the right end of Magnet Q, the two magnets attract each other. She already knows that the left end of Magnet P is its North pole. What must the right end of Magnet Q be?

Olivia has two bar magnets on a table, labelled Magnet X and Magnet Y. She brings the right end of Magnet X towards the left end of Magnet Y. The two magnets repel each other. She already knows that the right end of Magnet X is its South pole. She then places an iron nail next to the left end of Magnet Y. What will happen to the iron nail?

Priya placed a bar magnet at one end of a table. She put four iron paper clips at distances of 1 cm, 4 cm, 8 cm and 15 cm from the magnet. She found that the paper clips at 1 cm and 4 cm moved towards the magnet, but those at 8 cm and 15 cm did not move. Which conclusion is BEST supported by this experiment?

Ahmad's new school bag has a magnetic lock on its front flap. The flap is made of thick nylon fabric. Inside the flap, a flat magnet is sewn in. On the bag body, a small steel button is sewn in. When Ahmad folds the flap down, the magnet inside the flap attracts the steel button through the nylon fabric and locks the bag shut. Which statement BEST explains how the magnet can attract the steel button even though nylon fabric is between them?

Michael had a bar magnet that could attract 12 iron paper clips. He accidentally dropped it hard on the floor several times. After that, the magnet could only attract 7 iron paper clips. Which explanation BEST describes why the magnet became weaker?