2. A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at an angle of 20.0° below the horizontal, as shown in the figure a below. The floor has some amount of friction.

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Chapter6: Applications Of Newton's Laws
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2. A 1,480-N crate is being pushed across a level floor at a constant speed by a force F
of 370 N at an angle of 20.0° below the horizontal, as shown in the figure a below. The
floor has some amount of friction.
20.0°
a
a. Draw a free body diagram of all the forces on the crate.
b. Write out one equation for the y component of the resultant force. Hint: The crate
does not move in the y direction.
Write out one equation for the x component of the resultant force. Hint: the crate
moves in the x direction.
C.
d. Determine the Normal force.
e. What is the coefficient of kinetic friction between the crate and the floor? (Enter vour
answer to at least three decimal places.)
Transcribed Image Text:2. A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at an angle of 20.0° below the horizontal, as shown in the figure a below. The floor has some amount of friction. 20.0° a a. Draw a free body diagram of all the forces on the crate. b. Write out one equation for the y component of the resultant force. Hint: The crate does not move in the y direction. Write out one equation for the x component of the resultant force. Hint: the crate moves in the x direction. C. d. Determine the Normal force. e. What is the coefficient of kinetic friction between the crate and the floor? (Enter vour answer to at least three decimal places.)
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