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physics

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the small 2kg block A slides down the curve path and passes the lowest point B with a speed 4 m/s. If the radius of the curvature path at B is 1.5 m, determine the normal force N exerted on the block by path at this point. Is knowledge of the friction properties necessary? solution of this question

  • physics -

    normal force will be mg+ centripetal or

    mg+mv^2/r

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