A crate of mass 18.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.430, calculate the following. (a) Calculate the normal force. (Give the magnitude.) 176.58 N (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 92.0 N moves the crate. 75.93 (c) Calculate the normal force when the 92.0-N applied force is exerted at an angle of 37.5° above the horizontal. (Give the magnitude.) X N (d) Calculate the magnitude of the kinetic friction force when the 92.0-N applied force is exerted at an angle of 37.5° above the horizontal. X N

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A crate of mass 18.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.430, calculate the
following.
(a) Calculate the normal force. (Give the magnitude.)
176.58
(b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 92.0 N moves the crate.
75.93
N
(c) Calculate the normal force when the 92.0-N applied force is exerted at an angle of 37.5° above the horizontal. (Give the
magnitude.)
X N
(d) Calculate the magnitude of the kinetic friction force when the 92.0-N applied force is exerted at an angle of 37.5° above the
horizontal.
X N
Transcribed Image Text:A crate of mass 18.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.430, calculate the following. (a) Calculate the normal force. (Give the magnitude.) 176.58 (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 92.0 N moves the crate. 75.93 N (c) Calculate the normal force when the 92.0-N applied force is exerted at an angle of 37.5° above the horizontal. (Give the magnitude.) X N (d) Calculate the magnitude of the kinetic friction force when the 92.0-N applied force is exerted at an angle of 37.5° above the horizontal. X N
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