Multiple choice general knowledge science & technology

There is a special force which stops things moving or which slows down moving things. What is this force called?

  1. friction

  2. electricity

  3. petrol

  4. acceleration
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A Correct answer
Explanation

Friction is a force that opposes motion between two surfaces in contact. It acts in the opposite direction to movement, which is why it can slow down or stop moving objects. Electricity and petrol are energy sources, while acceleration increases speed rather than reducing it.

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