A body is in stress when forces are applied to it which____its size and shape to change.
举一反三
- 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.
- The cause of cracks in concrete are: stress due to applied （） and stress due to temperature or （） change when concrete is restrained。
- When you change your mind about stress, you can change your body's response to stress.
- 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
- The forces acting on a given body which are exerted by other bodies are referred to as external forces.