Pendulum and smart meter: what they have in common

1. Step 1. Pendulum — uses — Newton’s laws. The swing is described by Newtonian mechanics.
2. Step 2. Newton’s laws — is used in — Accelerometer. The sensor measures the force of inertia.
3. Step 3. Accelerometer — is part of — Fitness tracker. A pedometer.
4. Step 4. Fitness tracker — has part — Bluetooth. A link to the phone.
5. Step 5. Bluetooth — is used in — Radio module and antenna. Bluetooth.
6. Step 6. Radio module and antenna — is part of — Smart meter. Data transmission.

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