What is the difference between a positively and negatively charged object?

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Which of the following are guidelines to follow for obtaining accurate observations

The heliocentric and the geocentric models of the solar system included these central principles