A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is accelerated at 1.20 m/s2, what is the magnitude of the kinetic frictional force on the crate? a. 8 N b. 33 N c. It cannot be determined why we do not have the coefficient of kinetic friction. d. 16 N e. 45 N f. 23 N
A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is accelerated at 1.20 m/s2, what is the magnitude of the kinetic frictional force on the crate? a. 8 N b. 33 N c. It cannot be determined why we do not have the coefficient of kinetic friction. d. 16 N e. 45 N f. 23 N
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 35P: (a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in...
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1. A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is accelerated at 1.20 m/s2, what is the magnitude of the kinetic frictional force on the crate?
a. 8 N
b. 33 N
c. It cannot be determined why we do not have the coefficient of kinetic friction.
d. 16 N
e. 45 N
f. 23 N
2. If a block slides down a frictionless incline, which of the following is true?
a. speed increases and acceleration decreases
b. speed and acceleration increases
c. speed increases and acceleration remain constant
d. its velocity increases and its acceleration decreases
e. its velocity and acceleration remain constant.
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