Multiple choice

Which of the following is an example of muscular force?

  1. Magnet attracting an iron piece.

  2. Blacksmith hammering a hot piece of iron.

  3. A rolling ball coming to rest.

  4. An apple falling from a tree.

  5. An aircraft taking off.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blacksmith uses his muscular force to hammer a hot piece of iron.