The essence of internal force is the force between atoms.
electromagnetic
举一反三
- Economic changes are an internal force of change.
- The magnitude of the internal force of a bar depends on not only the external force but also the shape of its cross section. A: 正确 B: 错误
- The internal force of any structure is zero if it is not subjected to external loads.
- The internal forces in a thin plate under bending deformation include: A: bending moment B: twisting moment C: shear force D: axial force
- 库仑力与万有引力之间的关系是___The relationship between the Coulomb Force and the Universal Gravitation Force is___
内容
- 0
The sales force is the link between the company and its customers.
- 1
The internal force of any structure is zero if it is not subjected to external loads. A: 正确 B: 错误
- 2
Choose the best option for the sequence of A and B. Atoms in the gas are attracted to each other by the force of gravity and the cloud then begins to collapse. A=atoms in the gas are attracted to each other. B=the cloud begins to collapse.
- 3
What is the difference between "force" and "enforce"? （You can answer this question in Chinese)
- 4
What is the essence of industry 4.0? A: precision B: the super efficient C: liberate the labor force D: all of the above