Chapter 5.2
Rotational equilibrium
What You'll Learn
Define rotational equilibrium and identify when objects are in balanced rotation
Calculate torque using force, distance, and perpendicular orientation
Apply the equilibrium condition that clockwise and counterclockwise torques must balance
Determine unknown distances and forces by balancing torques around a pivot point
Analyze systems with multiple forces and choose strategic pivot points for calculations
What You'll Practice
1
Finding unknown distances on balanced rods with hanging masses
2
Calculating support forces on shelves with multiple loads
3
Balancing torques from gravity acting on uniform objects
4
Solving for forces and distances using torque equilibrium equations
Why This Matters
Rotational equilibrium is essential for understanding how structures stay balanced, from bridges and buildings to seesaws and cranes. Mastering torque calculations prepares you for engineering, architecture, and advanced physics courses where analyzing forces and stability is critical.
This Unit Includes
2 Video lessons
Skills
Torque
Rotational Equilibrium
Forces
Pivot Points
Balance
Statics
Center of Mass
