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A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the horizontal force required to keep the puck sliding at constant velocity is
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A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the horizontal force required to keep the puck sliding at constant velocity is

User Jrcamatog
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This is because there is no friction or air resistance, meaning that there is nothing slowing it down, therefore, if it’s already set in motion, you wont have to do anything to keep it and constant velocity.
User Raveturned
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