Multiple choice

According to the law of conservation of energy, what happens to the energy due to friction?

  1. It decreases.

  2. It increases.

  3. It is lost.

  4. It remains as it is.

  5. It is transformed into heat.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

According to the law of conservation of energy, no energy is destroyed due to friction, though it may be lost to the system of concern. Energy is transformed from other forms into heat.

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