Write FACT if the statement is correct and BLUFF if the statement is incorrect. Write your Answers on a separate sheet of paper

1. Friction produces heat in different machine parts making it waste the energy as
heat energy.
2. Brakes in a car is an application of motion.
3. Moving parts in a car engine is desirable.
4. Less effort is required to move a heavy block on a rough surface than on a smooth surface.​