Verify Centripetal Force F=mω²r with Arduino – Complete Physics STEM Kit

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

This kit lets you build a real physics experiment rig that measures the relationship between centripetal force, mass, angular velocity, and radius—the classic F=mω²r equation. By mounting an HX711 load cell on a motor-driven arm and tracking RPM with a Hall sensor, you’ll capture data directly on the included LCD, then analyse how force changes as you vary radius and speed. Ideal for CBSE/ICSE Class 11-12 investigatory projects or first-year B.Tech lab work.

What You'll Build

You will assemble a complete rotating arm apparatus powered by Arduino Uno. The arm carries a known mass, and the load cell measures the outward pull. A Hall-effect sensor picks up RPM from a magnet on the shaft, while the DS3231 RTC timestamps readings. The 16x2 LCD displays live force and angular velocity, allowing you to collect data points for a full F vs ω²r graph. You’ll end up with a working data-logging rig that proves the centripetal force equation.

What You'll Learn

• Calibrate a load cell and obtain accurate force readings in Newtons.
• Convert Hall sensor pulses into angular velocity (RPM) using Arduino interrupts.
• Plot experimental F vs ω²r and confirm the linear relationship predicted by theory.
• Document a full physics investigatory project with error analysis and conclusion.

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This kit is built for CBSE/ISC Class 11-12 students tackling physics investigatory projects or anyone preparing for school science exhibitions. It’s also a perfect fit for B.Tech ECE/EEE first-year lab work, where you need a sensor-interfacing project that demonstrates core physics concepts. If you're part of an ATL Tinkering Lab or a college club at IIT, NIT, VIT, or BITS Pilani, this project gives you a data-driven edge in internal reviews and competitions.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.