John is pushing his daughter Rachel in a wheelbarrow when it is stopped by a brick 8.00 cm high (see the figure below). The handlesmake an angle of 0 = 16.0° with the ground. Due to the weight of Rachel and the wheelbarrow, a downward force of 411 N is exertedat the center of the wheel, which has a radius of 18.5 cm. Assume the brick remains fixed and does not slide along the ground. Alsoassume the force applied by John is directed exactly toward the center of the wheel. (Choose the positive x-axis to be pointing to theright.)..(a.).What force.(in N) must John apply along the handles to just start the wheel over the brick?Enter a number. differs from the correct answer by more than 10%. Double check your calculations. N(b) What is the force (magnitude in kN and direction in degrees clockwise from the −x-axis) that the brick exerts on the wheeljust as the wheel begins to lift over the brick?magnitudeKNdirectiono clockwise from the -x-axis

Given-Information:- H = 8 cmθ = 16°Downward Force = 411 NRadius,r =18.5 cm To-Determine:- a. Force…

Answered: er of the wheel, which has a radius of…

er of the wheel, which has a radius of 18.5 cm. Assume the brick remains fix force applied by John is directed exactly toward the center of the wheel. (C

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter5: Stresses In Beams (basic Topics)

Section: Chapter Questions

Problem 5.12.11P: A cylindrical brick chimney of height H weighs w = 825 lb/ft of height (see figure). The inner and...

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Question

John is pushing his daughter Rachel in a wheelbarrow when it is stopped by a brick 8.00 cm high (see the figure below). The handles
make an angle of 0 = 16.0° with the ground. Due to the weight of Rachel and the wheelbarrow, a downward force of 411 N is exerted
at the center of the wheel, which has a radius of 18.5 cm. Assume the brick remains fixed and does not slide along the ground. Also
assume the force applied by John is directed exactly toward the center of the wheel. (Choose the positive x-axis to be pointing to the
right.)
..(a.).What force.(in N) must John apply along the handles to just start the wheel over the brick?
Enter a number. differs from the correct answer by more than 10%. Double check your calculations. N
(b) What is the force (magnitude in kN and direction in degrees clockwise from the −x-axis) that the brick exerts on the wheel
just as the wheel begins to lift over the brick?
magnitude
KN
direction
o clockwise from the -x-axis

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