Which action makes use of a magnetic force? * A person puts a bank card in an electronic reader to buy an item.
A store clerk finds the price of an item by moving the item over a laser light.
A parent measures a child's temperature by touching a thermometer to the child's
head.
O A student measures the mass of a book using a spring scale.

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )

god i hope this !

answer///isobars;