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Calculate the size of the resultant force acting on the particle due to the disc.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A flat circular disc turns about its centre $O$ with a constant angular speed of $9\,\text{rad s}^{-1}$. A particle of mass $0.05\,\text{kg}$ is placed on the disc at a point $0.4\,\text{m}$ from $O$. The particle rotates with the disc and does not slip.