Question

Which of the following is necessary for a force to act between two objects?

• A. Objects must touch each other
  
• B. Objects must not touch each other
  
• C. Objects must interact with each other
• D. Objects must be close to each other
  

Answer 1

The correct option is C Objects must interact with each other

For a force to act between two objects, the objects must interact with each other, either through contact or no contact.
For example, two magnets can interact even without touching each other. Similarly, we touch an object in order to apply force on it.