4.4 • A man is dragging a trunk up the loading ramp of a mover's truck. The 75.0° - ramp has a slope angle of 20.0°, and the man pulls upward with a force F whose direction makes an angle of 30.0° with the ramp (Fig. E4.4). (a) How large a force F is necessary for the component F, parallel to the ramp to be 90.0 N? (b) How large will the component F, perpendicular to the ramp be then? Figure E4.4 30.0 20.0° meet.google.com is sharing your screen Stop sharing Hide

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter5: The Laws Of Motion
Section: Chapter Questions
Problem 5.19CQ: Give reasons for the answers to each of the following questions: (a) Clan a normal force be...
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QUESTION 2
Problem
In the end of the Chapter 4 Problem 4.4 of your book consider that the trunk has mass M travels at a constant velocity along a frictionless inclined and the angles involved
are 0j and Os, where és corresponds to the angle with respect to the direction of motion and 0; is the angle of the inclined. What are the simplified expressions for the tension
on the rope and the normal force on the trunk in terms of M, g and the angles?
Answer
T =
(0)/
n = (Mg)(
(6)
Transcribed Image Text:QUESTION 2 Problem In the end of the Chapter 4 Problem 4.4 of your book consider that the trunk has mass M travels at a constant velocity along a frictionless inclined and the angles involved are 0j and Os, where és corresponds to the angle with respect to the direction of motion and 0; is the angle of the inclined. What are the simplified expressions for the tension on the rope and the normal force on the trunk in terms of M, g and the angles? Answer T = (0)/ n = (Mg)( (6)
Adobe Reader louch
4.4 • A man is dragging a trunk up the
loading ramp of a mover's truck. The
ramp has a slope angle of 20.0°, and
the man pulls upward with a force F
whose direction makes an angle of 30.0°
with the ramp (Fig. E4.4). (a) How large a force F is necessary for the
component F; parallel to the ramp to be 90.0 N? (b) How large will the
component F, perpendicular to the ramp be then?
a straight line (the x-axis). The
graph in Fig. E4.13 shows this
acceleration as a function of
75.0°
time. (a) Find the maximum net
force on this cart. When does this
maximum force occur? (b) During
what times is the net force on the
cart a constant? (c) When is the
net force equal to zero?
4.14 • A 2.75 kg cat moves in a
straight line (the x-axis). Figure
E4.14 shows a graph of the x-
component of this cat's velocity
as a function of time. (a) Find the
Figure E4.4
maximum net force on this cat.
30,0
When does this force occur? (b)
When is the net force on the cat
| 20.0°
equal to zero? (c) What is the net
force at time 8.5 s?
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Transcribed Image Text:Adobe Reader louch 4.4 • A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0°, and the man pulls upward with a force F whose direction makes an angle of 30.0° with the ramp (Fig. E4.4). (a) How large a force F is necessary for the component F; parallel to the ramp to be 90.0 N? (b) How large will the component F, perpendicular to the ramp be then? a straight line (the x-axis). The graph in Fig. E4.13 shows this acceleration as a function of 75.0° time. (a) Find the maximum net force on this cart. When does this maximum force occur? (b) During what times is the net force on the cart a constant? (c) When is the net force equal to zero? 4.14 • A 2.75 kg cat moves in a straight line (the x-axis). Figure E4.14 shows a graph of the x- component of this cat's velocity as a function of time. (a) Find the Figure E4.4 maximum net force on this cat. 30,0 When does this force occur? (b) When is the net force on the cat | 20.0° equal to zero? (c) What is the net force at time 8.5 s? meetgoogle.com is sharing your screen. Stop sharing Hide 217 PM File Explore Meet - vjgr. Anbox (602) - meet google. | @Rums - Dis. A Adobe Reade. ENG 10/2/2020
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