College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 5, Problem 9P
| BIO A broken thigh bone. When the thigh is fractured, the patient's leg must be kept under traction. One method of doing so is a variation on the Russell traction apparatus. (See Figure 5.43.) If the physical therapist specifies that the traction force directed along the leg must be 25 N, what must W be?
Figure 5.43
Problem 9.
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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...
Ch. 5 - In a world without friction, could you (a) walk on...Ch. 5 - You can classify scales for weighing objects as...Ch. 5 - When you stand with bare feet in a wet bathtub,...Ch. 5 - A horizontal force accelerates a box across a...Ch. 5 - You slide an 800 N table across the kitchen floor...Ch. 5 - A woman wearing spiked shoes pushes two crates...Ch. 5 - A horizontal force with a magnitude P pulls two...Ch. 5 - A crate slides up an inclined ramp and then slides...Ch. 5 - A weightless spring scale is attached to two equal...Ch. 5 - Two objects are connected by a light wire as shown...Ch. 5 - A 100 N weigh: is supported by two weightless...Ch. 5 - The System shown a Figure 5.34 is released from...Ch. 5 - In the system shown in Figure 5.35, M m, the...Ch. 5 - | A 15.0 N bucket is to be raised at a constant...Ch. 5 - | In a museum exhibit, three equal weights are...Ch. 5 - | Two 25.0 N weights are suspended at oppos1te...Ch. 5 - | Two weights are hanging as shown in Figure 5.38....Ch. 5 - | An adventurous archaeologist crosses between two...Ch. 5 - || A 1130 kg car is being pulled up a frictionless...Ch. 5 - || BIO Muscles and tendons. Muscles are attached...Ch. 5 - | BIO Traction apparatus. In order to prevent...Ch. 5 - | BIO A broken thigh bone. When the thigh is...Ch. 5 - || A heavy mirror that has a width of 1 m is to be...Ch. 5 - || In a rescue, the 73 kg police officer is...Ch. 5 - || A tetherball leans against the smooth,...Ch. 5 - Find the tension in each cord in Figure 5.47 if...Ch. 5 - || Two blocks. each with weight w. are held in...Ch. 5 - || A. man pushes on a piano of mass 180 kg 50 that...Ch. 5 - || BIO Forces during chin-ups. People who do...Ch. 5 - || Force on a tennis ball. The record speed for a...Ch. 5 - || BIO Force during a jump. An average person can...Ch. 5 - || Two weights are hanging from the ceiling of an...Ch. 5 - || A large fish hangs from a spring balance...Ch. 5 - || A 750.0 kg boulder is raised from a quarry 125...Ch. 5 - || Which way and by what angle does the...Ch. 5 - | At a construction site, a 22.0 kg bucket of...Ch. 5 - || Two boxes are connected by a light string that...Ch. 5 - | An 80 N box initially at rest is pulled by a...Ch. 5 - | A 2 kg book sits at rest on a horizontal table....Ch. 5 - | At a construction site, a pallet of bricks is to...Ch. 5 - || Two crates connected by a rope of negligible...Ch. 5 - || A hockey puck leaves a players stick with a...Ch. 5 - || Stopping distance of a car. (a) If the...Ch. 5 - || An 85 N box of oranges is being pushed across a...Ch. 5 - || A stockroom worker pushes a box with mass 11.2...Ch. 5 - || The coefficient of kinetic friction between a...Ch. 5 - || Measuring the coefficients of friction. One...Ch. 5 - | With its wheels locked, a van slides down an...Ch. 5 - | BIO The Trendelberg position. In emergencies...Ch. 5 - || BIO Injuries to the spinal column. In treating...Ch. 5 - || A toboggan approaches a snowy hill moving at...Ch. 5 - || A 25.0 kg box of textbooks rests on a loading...Ch. 5 - || A person pushes on a stationary 125 N box with...Ch. 5 - || You are working for a shipping company. Your...Ch. 5 - || An atmospheric drag force with magnitude FD=...Ch. 5 - || What is the acceleration of a raindrop that has...Ch. 5 - || A bullet is fired horizontally from a...Ch. 5 - | You find that if you hang a 1.2Ekg weight from a...Ch. 5 - | An unstretched 50ring is 12.00 cm long. When...Ch. 5 - BIO Heart repair. 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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