1. What are those materials with electric motors?
2. What are those materials which do not have electric motors?
3. Describe the materials with electric motors.
4. Describe the materials without electric motors.
5. What do you think is the role of the electric motor in the materials/
appliances?
.
Answer:
1. Materials with electric motors:
Materials with electric motors include a wide range of appliances and devices, such as washing machines, refrigerators, electric fans, power tools (like drills and saws), electric vehicles (cars, scooters, etc.), and many more. These materials use electric motors to convert electrical energy into mechanical energy to perform various tasks.
2. Materials without electric motors:
Materials without electric motors are typically non-motorized devices or appliances. Examples include basic hand tools (like hammers and wrenches), simple household items (e.g., chairs, tables), and various mechanical systems that rely on other power sources or mechanisms for operation.
3. Description of materials with electric motors:
Materials with electric motors are designed to perform specific tasks by utilizing the rotational motion generated by the motor. They are often more automated, providing convenience and efficiency, and are common in our everyday lives, from kitchen appliances to transportation.
4. Description of materials without electric motors:
Materials without electric motors rely on manual operation, mechanical systems, or other power sources (e.g., gravity, human effort) to perform tasks. They are usually simpler in design and function, and their operation is not dependent on electricity.
5. Role of electric motors in materials/appliances:
Electric motors play a crucial role in many materials and appliances by providing a source of mechanical power. They convert electrical energy into rotational motion, which is used to drive various components within the appliance or material. This enables automation and makes tasks more efficient and convenient. Electric motors are the heart of many modern devices and are essential for their functionality.
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