Other questions in this quiz

2. how can you reduce friction

  • use slipery fluids
  • use ice
  • use steam

3. how can forces be unbalanced

  • when the opposing forces are not equal
  • when the opposing forces are equal

4. how does an eletric bell work

  • When an electric current flows through the coils, the rods become magnetic and attract a piece of iron attached to a clapper. The clapper hits the bell and makes it ring.
  • a bell rings

5. what materials are magnetic

  • iron, steel, nickle
  • gold, silver, mercuary
  • tin, copper, titanium


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