Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

Inside a factory, two men X and Y attempt to move two identical heavy boxes, P and Q. Man X tries to push box P across the floor. It stays still because something is blocking it. Man Y raises box Q from the floor up onto a shelf. Which man does the greatest amount of work on the box, and which box receives the greatest amount of energy?

  • Aman doing most work: X; box gaining most energy: P
  • Bman doing most work: X; box gaining most energy: Q
  • Cman doing most work: Y; box gaining most energy: P
  • Dman doing most work: Y; box gaining most energy: Q

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI