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A bead slide ...

Question

A bead slide freely along a curve wire lying on a horizontal surface at constant speed as shown in Fig.
a. Draw the vectors representing the force exerted by the wire on the bead at points A, B and C.
b. Suppose the bead in fig. speeds up with constant tangential acceleration as it moves towards the right. Draw the vectors representing the force on the bead at point A, B, and C.

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Solution

a. R.E.F image
Arrow shown direction of Normal force
b. R.E.F image
ma = parallels force

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