中国大学MOOC: When a body is caused to change its shape, the distorting force is proportional to the amount of the change, __________ the elastic limit is not exceeded.
举一反三
- A body is said to be a rigid body, when it has perfectly definite shape and size. The distance between all points of particles of such a body do not change, while applying any force on it A: 正确 B: 错误
- ______ is the ability of material to resist permanent change of shape caused by an external force.
- Hook's law holds within the . A: Elastic limit B: Proportional limit C: Yield limit D: Strength limit
- 中国大学MOOC: _________: a change in your body or mind that shows that you are not healthy.
- The long run income elasticity of demand for movie theater tickets is 3.42. That means that the proportional change in price will exceed the proportional change in quantity.