During a physical science lab investigating chemical reactions, several students placed a 30g antacid tablet in a 30g zip-lock b
2 answers:
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Answer:C
Explanation:
When a constant horizontal force is applied to the box, box started moving in the horizontal direction such that it moves with constant velocity
Constant velocity implies that net force on the box is zero
i.e. there must be an opposing force which is equal to the applied force and friction force can serve that purpose.
So option c is the correct choice.