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Yes, a flat iron is a first-class lever because the pivot point (fulcrum) is between the effort (hand) and the load (hair). The effort applied by the hand on one end of the flat iron causes the hair to be straightened on the other end.

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1y ago

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What energy transformation in flat iron?

In a flat iron, electrical energy is transformed into thermal energy. When the flat iron is turned on, electricity flows through the heating element, which generates heat that is transferred to the plates of the flat iron. This heat is used to straighten and style hair.


What A small cube of iron and a large flat sheet of iron contain the same volume. Which one will completely rust first Explain why.?

The small cube of iron will rust faster than the large flat sheet because it has a higher surface area-to-volume ratio, allowing more area for the oxidation process to occur. This increased surface area exposes more iron to the environment, leading to quicker rusting compared to the large flat sheet.


What kind of energy that flat iron converts electrical energy?

A flat iron converts electrical energy into heat energy. The electrical energy powers the heating element inside the flat iron, which then produces heat to straighten or style hair.


How does a cast iron hand water pump work?

A cast iron hand water pump works by manually pumping a lever up and down. This action creates a vacuum within the pump, pulling water up through a pipe from a well or other water source. The water is then pushed out through a spout when the lever is pushed down.


What is a tire iron and how is it used in relation to changing a flat tire?

A tire iron is a tool used to remove and tighten the lug nuts on a wheel. It is typically L-shaped and has a flat end for leverage. When changing a flat tire, the tire iron is used to loosen the lug nuts before lifting the car with a jack and removing the flat tire. After replacing the tire, the lug nuts are tightened using the tire iron to secure the wheel in place.