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The small cart of mass m is nudged with negligible velocity from its horizontal position at A onto the parabolic path, which lies in a
vertical plane. Neglect friction and show that the cart maintains contact with the path for all values of k. Then calculate the normal
force N under the cart if m = 4.6 kg, k = 3.4 m²¹, and x = 1.5 m.
Answer: N= i
-y=kx²
N

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