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Calculate work done using W = F × s

Forces and motion • Work and energy transfer

Key concepts

What you'll likely be quizzed about

  • Work is defined as the energy transferred when a force causes an object to move.
  • The standard unit of work is the joule (J).
  • One joule is the amount of work done when a force of one newton moves an object one meter in the direction of the force.

Flashcards

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What is the relationship between force, distance, and work?

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The relationship is direct; greater force or greater distance leads to more work done.

Key notes

Important points to keep in mind

Work is measured in joules (J).

Use the formula W = F × s for calculations.

Work done can be zero if no distance is moved.

Always consider the direction of the force.

Negative work occurs with opposing forces.

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