Unit 7 · Force and MotionElasticity and Plasticity
Key Words of This Topic
- Resultant force: the single force whose effect equals the combined effect of all the forces acting on a body from different directions.
- Deforming force: the resultant force that changes the shape and size of a body.
- Deformed body: a body whose shape has been changed by a deforming force.
- Elasticity: the property by which a body regains its original state when the deforming force is removed.
- Plasticity: the property by which the shape and size of a body change permanently when a force acts on it.
- Restoring force: the force that develops inside an elastic body against the deforming force and brings the body back to its original state.