Racing car and smartphone: what they have in common

1. Step 1. Racing car — has part — Monocoque. A monocoque.
2. Step 2. Monocoque — uses — Newton’s laws. The shell itself carries the load.
3. Step 3. Newton’s laws — is used in — Accelerometer. The sensor measures the force of inertia.
4. Step 4. Accelerometer — is part of — Smartphone. The accelerometer rotates the screen.

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