A 1200 kg car pulls an 820 kg trailer over a rough road. The force of friction acting on the trailer is 650 N [backwards]. Calculate the force that the car exerts on the trailer if (a) the trailer is moving at a constant velocity of 30 km/h [forward] (b) the trailer is moving at a constant velocity of 60 km/h [forward] (c) the trailer is moving forward at 60 km/h and starts accelerating at 1.5 m/s² [forward]
A 1200 kg car pulls an 820 kg trailer over a rough road. The force of friction acting on the trailer is 650 N [backwards]. Calculate the force that the car exerts on the trailer if (a) the trailer is moving at a constant velocity of 30 km/h [forward] (b) the trailer is moving at a constant velocity of 60 km/h [forward] (c) the trailer is moving forward at 60 km/h and starts accelerating at 1.5 m/s² [forward]
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 72PQ: A block of ice (m = 15.0 kg) with an attached rope is at rest on a frictionless surface. You pull...
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