College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 10MCP
In the system shown in Figure 5.35, M > m, the surface of the bench is horizontal and frictionless, and the connecting string pulls horizontally on m. As more and more weight is gradually added to m, which of the following statements best describes the behavior of the system after it is released?
Figure 5.35
Multiple-Choice Problem 10.
- A. The acceleration remains the same in all cases. since there is no friction and the pull of gravity on M is the same.
- B. The acceleration becomes zero when enough weight is added so that [&m = M.
- C. The velocity becomes zero when m = M.
- D. None of the preceding statements is correct.
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A7. Consider a spring-mass system as shown in the diagram, which consists of 1.0 kg block
held by three identical springs with force constant k = 100 Nm', as shown in Fig. A7.
Fig. A7
(a) Consider the block being displaced by a distance x m to the left. Determine the net
force (both magnitude and direction) acting on the block by the springs.
(b) The block is then released from rest. Show that the block performs simple harmonic
motion, and determine the frequency of oscillation.
Consider the system below consisting of a rough surface, three masses, a massless string, and a massless and
frictionless pulley. The mass of each block is m. = 12.5 kg, mb = 15.0 kg, and m. = 13.5 kg.
The coefficients of static and kinetic friction are 0.75 and 0.35, respectively for all surfaces. The masses are given a quick push so that m. is initially moving downwards.
a. Calculate the magnitude of the acceleration of ma•
b. Is m. slowing down or speeding up? Explain.
For part c, consider m, is replaced with a new, variable mass.
c. What is the largest value m, can have for the system to remain stationary?
Chapter 5 Solutions
College Physics (10th Edition)
Ch. 5 - Can a body be in equilibrium when only one force...Ch. 5 - A clothesline is hung between two poles, and then...Ch. 5 - A man sits in a seat that is suspended from a...Ch. 5 - You push a box up a frictionless incline at a...Ch. 5 - Why is it so much more difficult to walk on icy...Ch. 5 - A car accelerates gradually to the right with...Ch. 5 - Without doing any calculations, decide whether the...Ch. 5 - A box slides up an incline, comes to rest, and...Ch. 5 - For the objects shown in Figure 5.27, will the...Ch. 5 - A woman is pushing horizontally on two boxes on a...
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A 5urgeon is using material from...Ch. 5 - | A 3 kg mass and a 10 kg mass are attached to...Ch. 5 - || A student measures the force required to...Ch. 5 - | Three identical 6.40 kg masses are hung by three...Ch. 5 - | A light spring having a force constant of 125...Ch. 5 - || in the previous problem, what would the answers...Ch. 5 - || Youve attached a bungee cord to a wagon and are...Ch. 5 - || Atwoods machine. A 15.0 kg load of bricks hangs...Ch. 5 - | Mountaineering. Figure 5.62 shows a technique...Ch. 5 - || Two identical, perfectly smooth 71.2 N bowling...Ch. 5 - || A 2 kg block is launched up a frictionless...Ch. 5 - BIO || The stretchy silk of a certain species of...Ch. 5 - || Block A in Figure 5.66111 weighs 60.0 N. The...Ch. 5 - || Friction in an elevator. You are riding in an...Ch. 5 - BIO || A student attaches a series of weights to a...Ch. 5 - BIO || A 65.0 kg parachutist falling vertically at...Ch. 5 - || Block A in Figure 5.68 weighs 1.20 N and block...Ch. 5 - || A block with mass m1 is placed on an inclined...Ch. 5 - || A pickup truck is carrying a toolbox, but the...Ch. 5 - || A window washer pushes his scrub brush up a...Ch. 5 - || An astronaut on the distant planet Xenon uses...Ch. 5 - || Elevator Design. You are designing an elevator...Ch. 5 - || At night while it is dark, a driver...Ch. 5 - || A block of mass m is placed against the...Ch. 5 - Friction and climbing shoes. Shoes for the sports...Ch. 5 - Friction and climbing shoes. Shoes for the sports...Ch. 5 - Friction and climbing shoes. Shoes for the sports...
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