Kercey pushes a 6.7-kg crate along a rough surface with 27.43 N of force. He observes that it is only accelerating at a rate of 3 m/s². What must the value of the force of friction be? (Assume that the only two forces acting on the object are friction and Kercey). a. -7.33 N b. 7.33 N c. 2.78 N d. -2.78 N
Kercey pushes a 6.7-kg crate along a rough surface with 27.43 N of force. He observes that it is only accelerating at a rate of 3 m/s². What must the value of the force of friction be? (Assume that the only two forces acting on the object are friction and Kercey). a. -7.33 N b. 7.33 N c. 2.78 N d. -2.78 N
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
Section: Chapter Questions
Problem 31PQ: A hockey stick pushes a 0.160-kg puck with constant force across the frictionless surface of an ice...
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Kercey pushes a 6.7-kg crate along a rough surface with 27.43 N of force. He observes that it is only accelerating at a rate of 3 m/s². What must the value of the
(Assume that the only two forces acting on the object are friction and Kercey).
a. -7.33 N
b. 7.33 N
c. 2.78 N
d. -2.78 N
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