In the given diagram, when object P was placed near object Q, the plastic ball was pushed off the table. What could objects P and Q be ?
P----------Q
ASteel---Plastic
BNickel---Magnet
CIron---Steel
DMagnet---Magnet
In the given diagram, when object P was placed near object Q, the plastic ball was pushed off the table. What could objects P and Q be ?
P----------Q
ASteel---Plastic
BNickel---Magnet
CIron---Steel
DMagnet---Magnet