A 1 000-N crate is being pushed across a level oor at a
Chapter 4, Problem 4.37(choose chapter or problem)
A 1 000-N crate is being pushed across a level oor at a constant speed by a force of 300 N at an angle of 20.0below the horizontal, as shown in Figure P4.37a. (a) What is the coefcient of kinetic friction between the crate and the oor? (b) If the 300-N force is instead pulling the block at an angle of 20.0above the horizontal, as shown in Figure P4.37b, what will be the acceleration of the crate? Assume that the coefcient of friction is the same as that found in (a).
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