2010 · Q37
An athlete diving off a high springboard can perform a variety of exercises in the air before entering the water below. Which one of the following parameters will remain constant during the fall ?
General KnowledgePhysics
- AThe athlete’s linear momentum
- BThe athlete’s moment of inertia
- CThe athlete’s kinetic energy
- DThe athlete’s angular momentum
Explanation
With no external torque, the diver's angular momentum stays constant during the fall.