Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 4, Problem 19P
To determine
The horizontal force exerted on driver by the seat harness
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Lon Mauer is cleaning up the driveway after mowing the grass. He exerts a sudden downward force of 56.8 N at a constant angle of 54.7° directed below the horizontal direction in order to push and accelerate his 1.05-kg broom from rest. The rate of acceleration of the broom is 0.670 m/s/s. Determine the coefficient of friction between the broom bristles and the driveway.
A 620 kg car pulling a 495 kg trailer accelerates forward at a rate of 2.20 m/s2. Assume frictional forces on the trailer are negligible. Ignore air drag.
(d)What is the resultant force exerted by the car on the road? (Assume that the forward direction is along the +x-direction to the right and that the +y-direction points upward. Enter the magnitude in N and the direction in degrees measured from the left of the −y-direction.)
Magnitude (in N):
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Chapter 4 Solutions
Physics Fundamentals
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