Multiple choice general knowledge

If you slide a hockey puck across a frictionless patch of ice, there must be a horizontal force on it to keep it in motion.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

According to Newton's first law of motion, an object in motion will continue in motion at a constant velocity in a straight line unless acted upon by an external net force. On a frictionless surface, no horizontal force is needed to maintain motion.

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