Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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42. Two objects are connected by a
light string that passes over a
frictionless pulley as shown in
Figure P5.42. Assume the incline
is frictionless and take ml
2.00 kg, 26.00 kg, and 6 -
55.0°. (a) Draw free-body dia-
grams of both objecis. Find
(b) the magnitude of the accel-
eration of the objects, (c) the ten
sion in the string, and (d) the
speed of each object 2.00 s after Figre P5.42
it is released from rest.
A woman at an airport is towing her 13.0-kg suitcase at constant speed by puling on a strap at an angle e above the horizontal. She puls on the strap with a 28.0-N force, and the friction force on the
suitcase is 20.0 N.
(a) Draw a free-body diagram of the suitcase. Cheose Fe no ie selected
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(b) What angle does the strap make with the horizontal?
(c) What is the magnitude of the normal force that the ground exerts on the suitcase?
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Weh
Fy
m
+x
P
On the left a mass, 17.9 kg, is at rest. Force Pis
acting on the mass in the (Fx) direction as shown.
The coefficient of static friction between the mass
and the surface is μ = 0.855. The coefficient of
kinetic friction between the mass and the surface
is µ = 0.565. What is the greatest force P that
can be applied and the mass will remain at rest?
Chapter 5 Solutions
Physics for Scientists and Engineers
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Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License