Colored sparks and rusting.
Answer: O:right
Explanation: In this case you place your finger on the current, and your fingers should curl showing the way, you must use your right hand in this case, otherwise that would mean the fingers on your left would bend way back, and snap off, (Not really lol, just saying)
Inertia
the awnswer is inertia b
It is an example of balanced force.
hope this helps. good luck