1. true or false? a well-oiled machine has no friction. explain your answer.
2. True or false? Friction makes energy vanish. Explain your answer.
3. True of false? Electronic machines with no moving parts experience
friction and get hot because electricity is moving through the wires
1. false. there is always friction. hat is what the oil is for. It reduces friction, but does not eliminate it.
2. false. friction produces heat. kinetic energy has been changed to heat energy.
3. true