Basically any device that needs to be plugged in so it could move would be an object that endures the transformation from mechanical to electrical energy. Those classroom objects could be a fan or a pencil sharpener.
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An electric motor is the object in a classroom that changes electrical energy into mechanical energy. When electricity is supplied to the motor, it generates a magnetic field that interacts with coils in the motor to produce mechanical rotation.
An electrical motor converts electrical energy into mechanical energy to produce motion.
An electromagnet contains a moveable core that changes electrical energy to mechanical energy. By passing an electric current through the coil, the core becomes magnetized, creating movement or mechanical energy.
When you turn on an electric fan, electrical energy changes into mechanical energy, which is responsible for the movement of the fan blades and the circulation of air.
electrical energy to mechanical energy(kenetic energy) to heat energy
An electric motor converts electrical energy into mechanical energy (motion).