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    Acceleration, Friction Force, Coefficient of Friction

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    A hollow, spherical shell with mass 2.00 kg rolls without slipping down a slope angled at 34.0 degrees

    A) Find the acceleration (take free fall to be 9.8 m/s^2)

    B) Find the friction force

    C) Find the minimum coefficient of friction needed to prevent slipping

    © BrainMass Inc. brainmass.com October 10, 2019, 1:52 am ad1c9bdddf
    https://brainmass.com/physics/torques/acceleration-friction-force-coefficient-friction-352719

    Solution Preview

    Since the sphere doesn't slip;

    torque = (moment of inertia of sphere)(angular acceleration) = (force due to friction)(radius of sphere)

    Iα = (Ff)(r)

    where;

    I=2mr^2/3
    α=a/r

    if we ...

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