A 1.00 × 10º-N crate is being pushed across a level floor at a constant speed by a force É of 3.00 x 10² N at an angle of 20.0° below the horizontal, as shown in Figure P4.23a. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 3.00 × 10²N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in Figure P4.23b, what will be the acceleration of the crate? Assume that the coef- ficient of friction is the same as that found in part (a). 20.0° 120.0° Figure P4.23
A 1.00 × 10º-N crate is being pushed across a level floor at a constant speed by a force É of 3.00 x 10² N at an angle of 20.0° below the horizontal, as shown in Figure P4.23a. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 3.00 × 10²N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in Figure P4.23b, what will be the acceleration of the crate? Assume that the coef- ficient of friction is the same as that found in part (a). 20.0° 120.0° Figure P4.23
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
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Question
![A 1.00 × 10º-N crate is being pushed across a level floor at a
constant speed by a force É of 3.00 x 10² N at an angle of 20.0°
below the horizontal, as shown in Figure P4.23a. (a) What is the
coefficient of kinetic friction between the crate and the floor?
(b) If the 3.00 × 10²N force is instead pulling the block at an
angle of 20.0° above the horizontal, as shown in Figure P4.23b,
what will be the acceleration of the crate? Assume that the coef-
ficient of friction is the same as that found in part (a).
20.0°
120.0°
Figure P4.23](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa972651f-d2df-4361-be41-ae3323761ca7%2F08d30876-4c6b-4e99-a9ad-515a8c313113%2Fy9jy2mo.png&w=3840&q=75)
Transcribed Image Text:A 1.00 × 10º-N crate is being pushed across a level floor at a
constant speed by a force É of 3.00 x 10² N at an angle of 20.0°
below the horizontal, as shown in Figure P4.23a. (a) What is the
coefficient of kinetic friction between the crate and the floor?
(b) If the 3.00 × 10²N force is instead pulling the block at an
angle of 20.0° above the horizontal, as shown in Figure P4.23b,
what will be the acceleration of the crate? Assume that the coef-
ficient of friction is the same as that found in part (a).
20.0°
120.0°
Figure P4.23
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