Definition

1. Verb:

   • To join forces / to join efforts: To combine the strength, resources, or efforts of multiple individuals or groups to achieve a common goal.

2. Noun (Physics):

   • Resultant force: The single force that represents the combined effect of two or more forces acting on an object. It is found by vector addition.

Usage Examples

• Verb:

  • Các nước cần hợp lực để giải quyết khủng hoảng khí hậu. (Countries need to join forces to solve the climate crisis.)
  • Chúng tôi sẽ hợp lực để hoàn thành dự án đúng hạn. (We will join efforts to complete the project on time.)

• Noun:

  • Hợp lực của hai lực này được tính bằng phép cộng vectơ. (The resultant force of these two forces is calculated by vector addition.)

Advanced Usage

• The term is often used in formal, collaborative, or strategic contexts, emphasizing unity and combined power rather than individual action.

Variants and Related Words

• Hiệp lực (v/n): A near-synonym meaning "to join forces" or "resultant force." It is often used interchangeably with .
• Chung sức (v): To pool strength/efforts. This is a more common and colloquial synonym for the verb meaning.
• Hợp tác (v): To cooperate. This focuses more on the act of working together rather than the combining of force.

Synonyms

• Verb: Collaborate, unite, combine efforts, work together.
• Noun (Physics): Net force.

Related Idioms

• Đồng tâm hiệp lực / Đồng lòng hợp sức: To be united in purpose and join forces. This idiom strengthens the sense of unity.
  • Cả công ty đồng lòng hợp sức vượt qua khó khăn. (The whole company united in purpose to overcome the difficulties.)

verb

1. to join forces, to join efforts