Using a frog in free fall;
a laser; a fixed pulley, spring balance, and scale; balancing toys; a model
of a bridge; a coffee can; a Cartesian diver; and a goldfish, this program
teaches equilibrium of forces by demonstrating the following concepts:•
zero gravity
• balance and center of gravity
• role of a keystone in an arch
• weight of gases
• weight, volume, displacement, and buoyancy
• Archimedes’ Principle
30 minutes
Copyright date: ©1997
