While the change in blank will remain the same during a collision the force needed to bring an object to a stop can be

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 is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Determine which heat transfers below are due to the process of conduction. i) you walk barefoot on the hot street and it burns your toes. ii) when you get into a car with hot black leather in the middle of the summer and your skin starts to get burned. iii) a flame heats the air inside a hot air balloon and the balloon rises. iv) a boy sits to the side of a campfire. he is 10 feet away, but still feels warm. a) i and ii b) iii and iv c) i, ii, and iv d) ii, iii, and iv