Many cell phones vibrate when they receive a call. What energy transformation is happening to make the phone vibrate?A.Light energy to chemical energyB.Electrical energy to kinetic energyC.Electrical energy to light energyD.Thermal energy to elastic energySUBMITarrow_backPREVIOUS
Question
Many cell phones vibrate when they receive a call. What energy transformation is happening to make the phone vibrate?A.Light energy to chemical energyB.Electrical energy to kinetic energyC.Electrical energy to light energyD.Thermal energy to elastic energySUBMITarrow_backPREVIOUS
Solution
The energy transformation that is happening to make the phone vibrate is B. Electrical energy to kinetic energy.
Here's the step by step explanation:
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The cell phone receives a signal that a call is incoming. This signal is a form of electrical energy.
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The phone's hardware interprets this signal and sends an instruction to the vibration motor.
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The vibration motor, powered by the phone's battery (which stores electrical energy), starts to spin.
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The spinning of the motor creates a force which moves the phone. This movement is a form of kinetic energy.
So, the electrical energy from the phone's battery is transformed into kinetic energy which makes the phone vibrate.
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