code: def test_force_default():
      N = ReferenceFrame("N")
      Po = Point("Po")
      f1 = Force(Po, N.x)
      assert f1.point == Po
      assert f1.force == N.x
      assert f1.__repr__() == "Force(point=Po, force=N.x)"
      # Test tuple behaviour
      assert isinstance(f1, tuple)
      assert f1[0] == Po
      assert f1[1] == N.x
      assert f1 == (Po, N.x)
      assert f1 != (N.x, Po)
      assert f1 != (Po, N.x + N.y)
      assert f1 != (Point("Co"), N.x)
      # Test body as input
      P = Particle("P", Po)
      f2 = Force(P, N.x)
      assert f1 == f2
  
file_path: sympy/sympy/physics/mechanics/tests/test_loads.py
imports: from pytest import raises
  from sympy import symbols
  from sympy.physics.mechanics import RigidBody, Particle, ReferenceFrame, Point, outer, dynamicsymbols, Force, Torque
  from sympy.physics.mechanics.loads import gravity, _parse_load
label_desc: Use image node_id 1 for calling a global function with example usage: test_force_default() without return types