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Posted by on Wednesday, July 27, 2011 at 4:06pm.

describe the force board experiment to show how to obtain the resultant of two non-parallel coplanar force acting at a point.four forces of magnitude 10N, 5N, 4N, AND 6N acts on an oblect in the direction north. West, east and south respectively.find the magnitude and direction of their resultant

  • physics - , Thursday, July 28, 2011 at 9:43pm

    X = hor = 4 + (-5) = -1N.

    Y = ver = 10 + (-6)

    R = sqrt(x^2+y^2) = sqrt(1+16) = 4.12

    tanA = Y / X = 4 / -1 = -4,
    A = -76 deg, CW = 180-76 = 104 deg =
    Direction.

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