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OpenStudy (anonymous):
Please help me solve this question.A conveyor belt used to transfer luggage consists of endless belt running over rollers,moving at 1.5m/s.To keep the belt moving at a constant speed when transporting luggage,a greater driving force is require than for an empty belt.Luggage is placed at a rate of 40kg per second on one end and removed at the other end.Why is an additional force require and what is its value?
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