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Calculate the coefficient of friction between the crate and the ground.
Mathematics 9709 · AS & A Level · Forces and equilibrium
Forces and equilibrium — practice question
A crate with mass $500\,\text{kg}$ is dragged over rough horizontal ground by a horizontal rope connected to a winch. The winch applies a steady pulling force of $2500\,\text{N}$, and the crate travels at a steady speed.
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This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies friction relation $F=\mu R$ (for example, $F=\mu \times 500g$)” …
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