A 19.0 kg box is placed at the top of an inclined plane and released to either move freely or sit at rest. The plane is at an angle of 30° above the ground and has a total length of d = 2.80 m along the incline. The coefficient of static friction between the box and the plane is us = 0.40 and the coefficient of kinetic friction is pk = 0.30. What kind of friction does the box experience once it is released, and what is its magnitude? m d Kinetic, Fkf - 55.9 N Static, Fsf = 74.5 N Static, Fsf = 64.5 N Kinetic, Fkf = 48.4 N

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A 19.0 kg box is placed at the top of an inclined plane and released to either move freely or sit at rest. The plane is at an
angle of 30° above the ground and has a total length of d = 2.80 m along the incline. The coefficient of static friction
between the box and the plane is us = 0.40 and the coefficient of kinetic friction is pk = 0.30. What kind of friction does
the box experience once it is released, and what is its magnitude?
m
d
Kinetic, Fkf - 55.9 N
Static, Fsf = 74.5 N
Static, Fsf = 64.5 N
Kinetic, Fkf = 48.4 N
Transcribed Image Text:A 19.0 kg box is placed at the top of an inclined plane and released to either move freely or sit at rest. The plane is at an angle of 30° above the ground and has a total length of d = 2.80 m along the incline. The coefficient of static friction between the box and the plane is us = 0.40 and the coefficient of kinetic friction is pk = 0.30. What kind of friction does the box experience once it is released, and what is its magnitude? m d Kinetic, Fkf - 55.9 N Static, Fsf = 74.5 N Static, Fsf = 64.5 N Kinetic, Fkf = 48.4 N
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