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  • Resultant Force Calculation: Magnitude and Direction
    Let's break down how to find the resultant force:

    1. Understand the Problem

    You have two forces:

    * Force 1 (F1): 30 N at 34 degrees (presumably from the horizontal axis)

    * Force 2 (F2): 30 N at 76 degrees (presumably from the horizontal axis)

    2. Resolve Forces into Components

    Each force can be broken down into horizontal (x) and vertical (y) components:

    * F1x = F1 * cos(34°) = 30 N * cos(34°) = 24.87 N

    * F1y = F1 * sin(34°) = 30 N * sin(34°) = 16.73 N

    * F2x = F2 * cos(76°) = 30 N * cos(76°) = 7.21 N

    * F2y = F2 * sin(76°) = 30 N * sin(76°) = 28.98 N

    3. Calculate Resultant Components

    Add the x and y components separately:

    * Rx = F1x + F2x = 24.87 N + 7.21 N = 32.08 N

    * Ry = F1y + F2y = 16.73 N + 28.98 N = 45.71 N

    4. Find the Magnitude of the Resultant Force

    Use the Pythagorean theorem:

    * R = √(Rx² + Ry²) = √(32.08² + 45.71²) = 56.09 N

    5. Determine the Direction of the Resultant Force

    Use the arctangent function (tan⁻¹):

    * θ = tan⁻¹(Ry / Rx) = tan⁻¹(45.71 / 32.08) = 54.97°

    Answer:

    The resultant force has a magnitude of 56.09 N and is directed at an angle of 54.97° from the horizontal axis.

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