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Determine the acceleration of the particles and the tension in the connecting string.
Mathematics 9709 · AS & A Level · Newton's laws of motion
Newton's laws of motion — practice question
Particles $P$ and $Q$, with masses $0.5\,\text{kg}$ and $0.3\,\text{kg}$ respectively, are joined by a light inextensible string. The string is taut, with $P$ positioned vertically above $Q$. A force of magnitude $10\,\text{N}$ acts on $P$ vertically upwards.
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This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Application of Newton’s second law to $P$, or $Q$, or the system.” …
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