COLLEGE PHYSICS,VOLUME 1
2nd Edition
ISBN: 9781319115104
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 64QAP
To determine
The tension in each rope.
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b) A 5.50 m long (L) steel pipe in Figure Q3b is has a mass of 625 kg and is
suspended by a crane at cable CD. Point C is attached to the ends A and B of the
steel pipe using a sling. The sling cable AC is 2.85 m long and the sling cable BC is
also 2.85 m long. Using g = 9.81 m/s², calculate the tension in cable AC and in
cable BC. Assume the beam AB is horizontal and is in static equilibrium. Give your
answer in kilonewtons (kN) to two decimal places.
A
D
C
L
Figure Q3b
B
If a ladder weighing 250N is placed against a smooth vertical wall having a coefficient of friction between it and floor 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor?
a) 75N
b) 35N
c) 50N
d) 25N
Given a set-up like that described in the figure below you measure T2 = 8N and 02 = 140° while T3 = 12N
and 03 = 295°. Determine what T1 and 01 would have to be in order for the system to be in equilibrium.
(ie. The sum of the forces T1, T2, and T3 on the knot needs to be zero :)
CAUTION
CAUTION
Model ME-447
FORCE TABLE
310 320 s30
Chapter 4 Solutions
COLLEGE PHYSICS,VOLUME 1
Ch. 4 - Prob. 1QAPCh. 4 - Prob. 2QAPCh. 4 - Prob. 3QAPCh. 4 - Prob. 4QAPCh. 4 - Prob. 5QAPCh. 4 - Prob. 6QAPCh. 4 - Prob. 7QAPCh. 4 - Prob. 8QAPCh. 4 - Prob. 9QAPCh. 4 - Prob. 10QAP
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- 1) Determine the resultant R of the two forces applied to the bracket. Write R in terms of unit vectors along the x- and y-axes shown. T 1 -x' 170 N 36% 18° 38° 370 Narrow_forward3-22 Struts Al and AC of Pig, P3-22 can transmit only av- ial tensile or compressive forces. Determine the foros in struts AB and AC and the tension in cable AD when fore F- 1250 N. Fig P3-22arrow_forwardIf the coefficient of static friction is 0.396, and the same ladder makes a 57.0° angle with respect to the horizontal, how far along the length of the ladder can a 65.9-kg painter climb before the ladder begins to slip? marrow_forward
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- Two rods and one cable are attached to the supports at O. If two of the forces are as shown, determine the magnitude Fand direction e of the third force so that the resultant of the three forces is vertically downward with a magnitude of 1240 Ib. F 1160 Ib 570 Ib 45° 32° -- - Answers: F = Ib e = LIarrow_forwardProblem 2 15° m -13 cm 30 cm A shot put is being held in static equilibrium. A)What force (Fm) must be exerted by the deltoids to maintain this state? B) How much more force must the deltoid exert with the shot in hand, compared to without the shot in hand? C)What joint reaction forces (Fsy, Fsx) are required when the shot is not in hand? 35 N 65 cm 48 Narrow_forward3-6. The gusset plate is subjected to the forces of three members. Determine the tension force in member C and its angle for equilibrium. The forces are concurrent at point O. Take F = 8 kN. y TO De 9 kN A 1000 Cada 1000 900 10 C F T ·Xarrow_forward
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