Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

A weight is suspended from a rope. In which situation does the force do the greatest amount of work on the weight?

  • AThe force raises the weight $1.0\,\text{m}$ in $15\,\text{s}$.
  • BThe force raises the weight $2.0\,\text{m}$ in $45\,\text{s}$.
  • CThe weight is held at the same level for $10\,\text{s}$.
  • DThe weight is held at the same level for $60\,\text{s}$.

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