Ali bends his plastic ruler. Is he pushing or pulling the ruler? What are the effects of the forces on the ruler?
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Answer: Pulling the ruler
Explanation: When Ali bends a plastic ruler it bends in a specific plane in which the value of flexural rigidity is less i.e. in a plane where its moment of inertia is less. It forms a deflection curve, the upper part goes into compression and the lower part into tension.
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Answer:
He Pulls and the effect of the force on the ruler is that it changes its shape into a curve.
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