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Question
B4
down
C) up D) 12; down E) 10: up
12up
Tus
uk
20. A crate of weigh W = 860 N on a horizontal surface is
pulled by a cord at an angle of 37° above the horizontal.
If the kirfetic frictional coefficient between the crate and
surface is u = 0.1, what should be the required force
(in N) to pull the crate at constant velocity?
4.
A) 50
B) 100
E) 250
C) 150
D) 200
(860-4k) -3K
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Transcribed Image Text:down C) up D) 12; down E) 10: up 12up Tus uk 20. A crate of weigh W = 860 N on a horizontal surface is pulled by a cord at an angle of 37° above the horizontal. If the kirfetic frictional coefficient between the crate and surface is u = 0.1, what should be the required force (in N) to pull the crate at constant velocity? 4. A) 50 B) 100 E) 250 C) 150 D) 200 (860-4k) -3K
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