COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 18QAP
To determine
The ordinary situations which involve force of tension.
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•• Find the tension in
each cord in Fig. E5.7 if the
weight of the suspended object is w.
5.7
m
Figure E5.7
(a)
(b)
30°
45°
A
450
B
60°
A
5.15 .. Atwood's Machine. A
15.0-kg load of bricks hangs from
one end of a rope that passes over
a small, frictionless pulley. A 28.0-
kg counterweight is suspended
from the other end of the rope, as
shown in Fig. E5.15. The system
is released from rest. (a) Draw
two free-body diagrams, one for
the load of bricks and one for the
Figure E5.15
counterweight. (b) What is the
magnitude of the upward acceler-
ation of the load of bricks? (c)
What is the tension in the rope
while the load is moving? How
does the tension compare to the
weight of the load of bricks? To
the weight of the counterweight?
28.0 kg
15.0 kg
||
Three people are playing the Ring Game. In the game each player grabs part of a large ring and attempts to pull it into his/her own scoring
section.
• Force:
o Direction:
b. Who wins the game?
Player 13's
Scoring Zone
Suppose Player A pulls with a force of 250 N at an angle of 10°, Player B pulls with a force of 190 N at an angle of 150°, and Player C pulls
with a force of 225 N at an angle of 280°. (All angles are measured from standard position according to the diagram above.)
a. With all three players pulling on the ring, what is the net (or resultant) force and direction applied to the ring?
N
O Player A
O Player B
Player C
OIt's a tic.
Preview
Player A's
Scoring Zone
Preview
Player C's
Scoring Zone
5.72 .• Block A in Fig. P5.72 weighs 60.0 N. The coefficient of
static friction between the block and the surface on which it rests is
0.25. The weight w is 12.0 N and the system is in equilibrium.
(a) Find the friction force exerted on block A. (b) Find the maxi-
mum weight w for which the system will remain in equilibrium.
Figure P5.72
A
45.0°
Chapter 4 Solutions
COLLEGE PHYSICS
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
Ch. 4 - Prob. 11QAPCh. 4 - Prob. 12QAPCh. 4 - Prob. 13QAPCh. 4 - Prob. 14QAPCh. 4 - Prob. 15QAPCh. 4 - Prob. 16QAPCh. 4 - Prob. 17QAPCh. 4 - Prob. 18QAPCh. 4 - Prob. 19QAPCh. 4 - Prob. 20QAPCh. 4 - Prob. 21QAPCh. 4 - Prob. 22QAPCh. 4 - Prob. 23QAPCh. 4 - Prob. 24QAPCh. 4 - Prob. 25QAPCh. 4 - Prob. 26QAPCh. 4 - Prob. 27QAPCh. 4 - Prob. 28QAPCh. 4 - Prob. 29QAPCh. 4 - Prob. 30QAPCh. 4 - Prob. 31QAPCh. 4 - Prob. 32QAPCh. 4 - Prob. 33QAPCh. 4 - Prob. 34QAPCh. 4 - Prob. 35QAPCh. 4 - Prob. 36QAPCh. 4 - Prob. 37QAPCh. 4 - Prob. 38QAPCh. 4 - Prob. 39QAPCh. 4 - Prob. 40QAPCh. 4 - Prob. 41QAPCh. 4 - Prob. 42QAPCh. 4 - Prob. 43QAPCh. 4 - Prob. 44QAPCh. 4 - Prob. 45QAPCh. 4 - Prob. 46QAPCh. 4 - Prob. 47QAPCh. 4 - Prob. 48QAPCh. 4 - Prob. 49QAPCh. 4 - Prob. 50QAPCh. 4 - Prob. 51QAPCh. 4 - Prob. 52QAPCh. 4 - Prob. 53QAPCh. 4 - Prob. 54QAPCh. 4 - Prob. 55QAPCh. 4 - Prob. 56QAPCh. 4 - Prob. 57QAPCh. 4 - Prob. 58QAPCh. 4 - Prob. 59QAPCh. 4 - Prob. 60QAPCh. 4 - Prob. 61QAPCh. 4 - Prob. 62QAPCh. 4 - Prob. 63QAPCh. 4 - Prob. 64QAPCh. 4 - Prob. 65QAPCh. 4 - Prob. 66QAPCh. 4 - Prob. 67QAPCh. 4 - Prob. 68QAPCh. 4 - Prob. 69QAPCh. 4 - Prob. 70QAPCh. 4 - Prob. 71QAPCh. 4 - Prob. 72QAPCh. 4 - Prob. 73QAPCh. 4 - Prob. 74QAPCh. 4 - Prob. 75QAPCh. 4 - Prob. 76QAPCh. 4 - Prob. 77QAPCh. 4 - Prob. 78QAPCh. 4 - Prob. 79QAPCh. 4 - Prob. 80QAPCh. 4 - Prob. 81QAPCh. 4 - Prob. 82QAPCh. 4 - Prob. 83QAPCh. 4 - Prob. 84QAPCh. 4 - Prob. 85QAPCh. 4 - Prob. 86QAPCh. 4 - Prob. 87QAPCh. 4 - Prob. 88QAPCh. 4 - Prob. 89QAPCh. 4 - Prob. 90QAPCh. 4 - Prob. 91QAPCh. 4 - Prob. 92QAPCh. 4 - Prob. 93QAPCh. 4 - Prob. 94QAPCh. 4 - Prob. 95QAPCh. 4 - Prob. 96QAPCh. 4 - Prob. 97QAPCh. 4 - Prob. 98QAPCh. 4 - Prob. 99QAPCh. 4 - Prob. 100QAPCh. 4 - Prob. 101QAPCh. 4 - Prob. 102QAPCh. 4 - Prob. 103QAP
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