B) Also, what is the rate of increase in speed of the block at this point? The 4

Question

B) Also, what is the rate of increase in speed of the block at this point?

The 4 -kg block is confined to move along the smooth parabolic path. The attached spring restricts the motion and, due to the roller guide, always remains horizontal as the block descend A) If the spring has a stiffness of k=10 {rm N/m}, and unstretched length of 0.5 {rm m}, determine the normal force of the path on the block at the instant x=1 {rm m} when the block has a speed of 4 {rm m/s}. Neglect the mass of the roller and the spring. B) Also, what is the rate of increase in speed of the block at this point?

Explanation / Answer

F=K*X F=10*(1-.5). The normal force is the force pushing the block off it. It is equal to the force due to the spring of 5N I need a coefficient of friction. Otherwise just with respect to mg. It should be mg-5*Uk unless I'm misreading.

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