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In collinear force system the forces whose line of action lie on:

In collinear force system the forces whose line of action lie on: Correct Answer Same line

Concept:

When two or more forces act on a body, they are called to form a system of forces.

Collinear forces: 

  • The forces, whose lines of action lie on the same line, are known as collinear forces.

Coplanar forces: 

  • The forces, whose lines of action lie on the same plane, are known as coplanar forces.

Concurrent forces: 

  • The forces, which meet at one point, are known as concurrent forces.
  • The concurrent forces may or may not be collinear.

Coplanar concurrent forces:

  • The forces, which meet at one point and their lines of action also lie on the same plane, are known as coplanar concurrent forces.

Coplanar non-concurrent forces:

  • The forces, which do not meet at one point, but their lines of action lie on the same plane, are known as coplanar non-concurrent forces.

Non-coplanar concurrent forces: 

  • The forces, which meet at one point, but their lines of action do not lie on the same plane, are known as non-coplanar concurrent forces.

Non-coplanar non-concurrent forces: 

  • The forces, which do not meet at one point and their lines of action do not lie on the same plane, are called non-coplanar non-concurrent forces.

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