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Q: Two equal forces are acting on a particle. If the particle has to remain in equilibrium, the angle in degrees between the forces should be:
  • A.
  • B. 90
  • C. 45
  • D. 180
Correct Answer: Option D - If a body is in equilibrium under a set of non-collinear forces, the minimum number of force has to be three. The third force will balance the resultant force and moment of the other two forces in this case, the minimum number of force required is three • A particle acted upon by two equal forces is in equilibrium, then, the angle between the two forces is equal to 180°
D. If a body is in equilibrium under a set of non-collinear forces, the minimum number of force has to be three. The third force will balance the resultant force and moment of the other two forces in this case, the minimum number of force required is three • A particle acted upon by two equal forces is in equilibrium, then, the angle between the two forces is equal to 180°

Explanations:

If a body is in equilibrium under a set of non-collinear forces, the minimum number of force has to be three. The third force will balance the resultant force and moment of the other two forces in this case, the minimum number of force required is three • A particle acted upon by two equal forces is in equilibrium, then, the angle between the two forces is equal to 180°