Theory of Machines

Theory of Machines is an educational mechanical engineering app for students, diploma learners, mechanical beginners, machine design learners and exam preparation users who want to understand mechanisms, motion, gears, cams, belts, governors, flywheels and machine dynamics offline. The app provides structured concept lessons and practical tools for studying how machines move, transmit power and control motion. It is useful for classroom learning, workshop understanding, technical revision, viva preparation and quick reference. 📚 15 Theory of Machines Subjects • Foundations & Basics • Kinematic Pairs, Chains & DOF • Kinematics: Velocity & Acceleration • Inversions & Special Mechanisms • Belts, Ropes & Chain Drives • Cams & Followers • Gears: Fundamentals & Tooth Geometry • Gear Trains & Differentials • Governors & Speed Control • Synthesis & Advanced Methods • Dynamics, Forces & Vibrations • Friction, Clutches & Brakes • Flywheels & Energy Storage • Applied Mechanisms & Automotive Systems • Mega Machines & Case Studies 🧮 21 Free Machine Tools Use calculators for four bar mechanism, slider crank mechanism, crank and connecting rod, piston displacement, piston velocity, piston acceleration, angular velocity, angular acceleration, instantaneous centre, velocity ratio, mechanical advantage, mobility and degrees of freedom, Grashof mechanism, gear ratio, gear speed, gear torque, simple gear train, compound gear train, planetary gear train, gear module and pitch, and gear centre distance. ✨ Core Features ✅ Detailed concept explanations Learn core ideas such as machines vs structures, mechanisms, links, pairs, chains, degrees of freedom, relative motion, instant centres, inversions and special linkages. ✅ Mechanism and motion learning Study velocity, acceleration, slider crank motion, piston motion, angular motion, kinematic analysis, gear trains, differentials and practical machine movement. ✅ Gears, cams and drives Understand gear tooth geometry, gear ratios, gear trains, belts, ropes, chain drives, cams, followers and power transmission concepts used in mechanical systems. ✅ 60 How-To lessons Read practical How-To content that helps connect Theory of Machines concepts with real mechanisms, design thinking, troubleshooting and exam-oriented revision. ✅ Offline access Study lessons and reference content without internet after installation. Useful for classrooms, labs, workshops, travel, exam preparation and technical interviews. ✅ Bookmark and search Bookmark important topics and quickly search mechanisms, DOF, gears, cams, belts, flywheels, governors, friction, brakes, vibrations and calculators. 🎯 Best For • Mechanical engineering students • Diploma and polytechnic learners • Machine design beginners • Automobile and robotics learners • Production and maintenance learners • Exam, viva and interview preparation • Workshop and lab reference users • Offline engineering revision users 🚀 Why Choose Theory of Machines? Theory of Machines helps learners understand how machine parts move, interact and transfer motion. The app connects mechanism theory with useful calculators, making it easier to revise topics like DOF, velocity, acceleration, gear trains, cams, belts, governors, flywheels and vibrations. Instead of searching scattered notes, you can study organized lessons, use free calculators, bookmark key content and search important machine theory topics from one app. Download Theory of Machines today and start learning mechanisms, kinematic pairs, velocity analysis, acceleration analysis, gears, cams, belts, chains, governors, flywheels, friction, clutches, brakes, vibrations and machine dynamics offline. Note: Educational reference only. This app does not include dictionary, formulas, MCQs, QA or updates section. Lessons and calculator results are for study support and should be verified with textbooks, lab manuals, machine design references and professional engineering standards.