Question: The small 2-kg block A slides down the curved path and passes the lowest point B with a speed of 4 m /s. If the

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

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