Levers: Moments, Effort, Mechanical Advantage and the Balance Point
This lesson is part of the course
In this lesson
You solve six exam-style lever questions with moments (force × distance), compute the mechanical advantage, find where the pivot must sit to balance a loaded plank and how far out an extra weight must sit to balance a seesaw.
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Lessons in this course
- Levers: Moments, Effort, Mechanical Advantage and the Balance Point Locked
- Gear Trains: Speed from Teeth, Direction with MOD and Idler Gears Locked
- Pulleys & Blocks: Supporting Ropes, Effort, Rope Pulled and Work Done Locked
- Inclined Planes & Screws: Force Along the Ramp, Equal Work and Screw Pitch Locked
- Springs: Force = k × Extension, Springs in Series and in Parallel Locked
- Hydraulics: Pressure = Force ÷ Area, Piston Forces and Piston Travel Locked
- Belts & Wheels: Pulley Speeds, Belt Speed, Open vs Crossed Belts and the Wheel and Axle Locked
- Timed Mixed Test: 10 Exam-Style Questions, Answer Key and Score Locked