Physics 9702 · AS & A Level · Equilibrium of forces

Equilibrium of forces — practice question

All external forces acting on a body balance each other out. Which statement must be correct?

  • AThe body does not move.
  • BThe momentum of the body remains unchanged.
  • CThe speed of the body remains unchanged.
  • DThe total energy (kinetic and potential) of the body remains unchanged.

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