Lever Arm Force Difference

Farther from pivot requires less force. Ask students to predict what will happen. Lift same load with force applied near vs far from pivot. Key idea: Torque equals force times distance from pivot. Ask: Why does a longer handle make lifting easier? Safety and cleanup: Secure pivot; low loads. https://www.google.com/search?q=%22Lever+Arm+Force+Difference%22+science+demonstration+experiment