A small cart with a 100g mass placed on top is on a track mounted on a circular

Question

A small cart with a 100g mass placed on top is on a track mounted on a circular platter. The cart is attached to a string passing though the central axis of the platter. We can measure the tension in the string pulling on the cart by attaching the string to a force sensor. Found the acceleration, tension, and velocity.



a) If this experiment were performed on Mars, would your final results be different? Would any individual measurements be different? Explain.


b) If T is graphed vs ac, what should the slope be?


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Explanation / Answer

part A: this experiment will yield the same results on Earth, Mars, or in space, as long as we neglect friction. If you are not neglecting friction, you will need a greater tension in order to produce the same acceleration in an environment with greater gravity.

part B: always remember Newton's laws: particularly:   F = ma

so, if T is the only force acting on the body,    T = ma , so, the slope of this graph is m (mass of cart plus its load)

if you need more clarification on this problem, please let me know

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