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    Question

    The weakest of all fundamental forces is

    –
    A Gravitational force Correct Answer Incorrect Answer
    B Electrostatic force Correct Answer Incorrect Answer
    C Magnetic force Correct Answer Incorrect Answer
    D Nuclear force Correct Answer Incorrect Answer

    Solution

    In particle physics, fundamental interactions (sometimes called interactive forces or fundamental forces) are the ways that elementary particles interact with one another. An interaction is fundamental when it cannot be described in terms of other interactions. The four known fundamental interactions are electromagnetism, strong interaction ("strong nuclear force"), weak interaction ("weak nuclear force"), and gravitation. All are non-contact forces.

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