A 20.0-kg crate rests on a level floor. A horizontal force of 50.0 N accelerates the crate at 1.00 m/s2. 1) Calculate the normal force on the crate. (Express your answer to three significant figures.) N You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) Calculate the frictional force on the crate. (Express your answer to three significant figures.) N You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3) Calculate the coefficient of kinetic friction between the crate and the floor. (Express your answer to three significant figures.) You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.