Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 48PCE
Figure 5-39 shows the normal force N experienced by a rider of weight W = mg on a Ferris wheel as a function of time. (a) At what time, A, B, C, or D, is the rider accelerating upward? (b) What is the magnitude of the maximum acceleration experienced by the rider?
Figure 5-39 Problems 48
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P2-7
The diagram shows a crate of mass m=154 kg on a frictionless inclined plane that makes an angle, θ=36∘, with the horizontal. A coordinate system is provided. A force of magnitude F, parallel to and directed up the plane, is applied to the crate. The crate accelerates up the plane at 2.6 m/s2. In numeric responses, use 9.80m/s for the acceleration due to gravity.
Part (b) What is the numeric value, in newtons, of the applied force, F?
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O Option 3
O Option 4
A block of mass m -1 kg is found
on an inclined plane that makes an
angle 30° with the horizontal. The
coefficient of static friction and coef-
ficient of kinetic friction between the
block and the incline are: H. = 0.6
and - 0.5. Take the positive di-
rection to be up the inclined plane
With the block initially at rest, the acceleration of the block is
a = -9.33
a = 0.66
O Option 4
O Option 2
a = 0
a = -0,66
O Option 1
O Option 3
With the block initially moving up the inclined, the acceleration is:
a = 0,66
a = -9.33
O Option 2
O Option 4
a = -0,66
a = 0
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Figure 5-38
There are two horizontal forces on the 3.0 kg box in the overhead view of Fig. 5-38 but only one (of magnitude
F1 = 15 N) is shown. The box moves along the x axis. Find the second force in unit-vector notation if the
acceleration of the box ax is 18 m/s².
Chapter 5 Solutions
Physics (5th Edition)
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