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
A: 正确
B: 错误
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.
- A body is in stress when forces are applied to it which____its size and shape to change.
- If a culture tends to maintain close body distance, usually that culture will have more body contact and body touch. A: 正确 B: 错误
- The following contents do NOT belong to paralanguage （ ）。 A: body distance B: volume C: tone D: body touch
- ____ refers to body distance and body touch.