Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 5, Problem 42AP
(a)
To determine
To draw: The force diagram for the rope and the block.
Introduction: The free body diagram of an object represents the direction and magnitude of forces acting on the body.
(b)
To determine
The acceleration of the system.
(c)
To determine
The magnitude of the force that the rope exerts on the block.
(d)
To determine
To explain: The effect on the force on the block as the mass of rope is zero.
Introduction: The tension in the string is defines as the force exerted by the string when it is subjected to pull.
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Try again.
A 4.6 kg body is at rest on a frictionless horizontal air track when a constant horizontal force F acting in the positive direction of an x axis along the track is applied to
the body. A stroboscopic graph of the position of the body as it slides to the right is shown in the figure. The force F is applied to the body at t = 0, and the graph
records the position of the body at 0.50 s intervals. How much work is done on the body by the applied force F between t = 0 and t = 1.8 s?
0.5s
-1.0 s
1.5s
2.0 s
0.2
0.4
0.6
0.8
x (m)
Number To.8
Units
the tolerance is +/-2%
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Two blocks connected by a rope of negligible mass are being dragged by a horizontal
force (Fig. above). Suppose F = 68.0N, m₁ = 12.0kg, m₂ = 18.0kg, and the coefficient
of kinetic friction between each block and the surface is 0.100. (a) Draw a free-body
diagram for each block. Determine (b) the acceleration of the system and (c) the
tension T in the rope.
m₂
T
M
F
Chapter 5 Solutions
Physics for Scientists and Engineers with Modern Physics
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