A positively charged metal ball a is placed near metal ball b. Show that if the charge on b is positive but of small magnitude, the balls will be attracted to each other.

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location