College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 5, Problem 6MCP
A weightless spring scale is attached to two equal weights as shown in Figure 5.31 The reading in the scale will be
Figure 5.31
Multiple-Choice Problem 6.
- A. 0.
- B. W.
- C. 2W.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Consider a 2.00 kg box on a frictionless plane that is inclined at an angle
of 300 with the horizontal. A force F is applied on the box with the
direction parallel to the incline as shown in the figure.
INCLINE 1. What is the magnitude of the normal force exerted by the plane
on the box?
A. 9.81 N
B. 11.3 N
C. 17.0 N
D. 19.6 N
F
A 0.300-kg mass hangs at the end of a rope. A second rope hangs from the bottom of that mass and supports a 0.900-kg mass.
Questions:
a. Find the tension in each rope when the masses are accelerating upward at 0.7 m/s². Take note of gravity also.
b. Find the tension in each string when the acceleration is 0.700 m/s² going down.
The apparent weight of a fish in an elevator is maximum when the elevator:
Select one:
a.
moves downward with constant speed.
b.
moves upward with constant speed.
c.
speed down.
d.
speed up.
and.
It does not move.
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...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk(*) desig...
The Cosmic Perspective Fundamentals (2nd Edition)
21. When you place an egg in water, it sinks. If you start adding salt to the water, after some time the egg fl...
College Physics: A Strategic Approach (3rd Edition)
Fill in each blank with the most reasonable metric unit (km, m, cm, or mm).
17. Your car is about 6 ______ long...
Applied Physics (11th Edition)
Choose the best answer to each of the following. Explain your reasoning. The number of stars in the Milky Way G...
Cosmic Perspective Fundamentals
Let us try to estimate the maximum “static electricity” charge that might result during each walking step acros...
Physics for Scientists and Engineers with Modern Physics
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg?arrow_forwardA horse is harnessed to a sled having a mass of 236 kg, including supplies. The horse must exert a force exceeding 1 240 N at an angle of 35.0 in order to get the sled moving. Treat the sled as a point particle, (a) Calculate the normal force on the sled when the magnitude of the applied force is 1 240 N. (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force when the horse is exerting a force of 6.20 102 N on the sled at the same angle.arrow_forwardA box rests on the back of a truck. The coefficient of static friction between the box and the bed of the truck is 0.800. (a) When the truck accelerates forward, what force accelerates the box? (b) Find the maximum acceleration the truck can have before the box slides.arrow_forward
- Physics Review A construction cranes cable lifts a 50.0-kg box upward with an acceleration of 1.50 m/s2. Find the tension in the rope. (See Section 4.5.)arrow_forwardA box of mass 2 kg is pushed by a force F = 50 N against a fixed ceiling, as shown in the figure below. The magnitude and direction of the normal force exerted on the box is: A. 30.4 N, upward B. 30.4 N, downward C. 50 N, upward D. 50 N, downward Fixed ceiling E. Zeroarrow_forward1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on the box trying to lift it but the box does not move. If N is the normal force on the block from the floor while you are trying to lift it, which relationship below must be true? a. N= W b. N+ Fup W d. N+ Fup = Warrow_forward
- 3. Two blocks with unequal masses, M and m (M> m), are connected by a light, very long string passing over a pulley of negligible mass, as shown in the figure, and then released. Friction is negligible. a. If one of your classmates calculated that, once released, the acceleration of the blocks would be g, '6 without doing any calculations, say whether or not this could be a reasonable value for the acceleration. Draw and label a free body diagram (FBD) for each block. (Be sure your drawings show clearly any information you know about the directions and relative magnitudes of the forces.) Rank the relative magnitudes of all forces in your FBDS. (I'm looking for a single ranking that includes every different force drawn and labeled in both FBDS, separated by , or =.) heavy block: b. light block: relative sizes of all forces in FBDS: C. Use the FBDS from the previous part, and Newton's 2nd Law, to derive an expression (in terms of M, m and g) for the acceleration of the blocks once…arrow_forward1. For the system shown below; a. Find the force the horizontal force F required to move the hanging masses upward with constant velocity. b. Find the tension in each rope. Assume ideal pulley and frictionless surface. 5 kg 3 kg 2 kgarrow_forwardANSWERS MUST BE IN 3 DECIMAL PLACES 1. A 400-N weight starts down the incline of 30o with the horizontal with an initial velocity of 4m/s. Find the velocity of the weight after 10s if fk = 0.2 for the incline. 2. A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. How long must a 500-N horizontal force act on the body to increase its velocity to 8m/s? 3. A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. How far will the body travel while the force is acting?arrow_forward
- An unknown mass and a 12 kg mass are tied to a light string and hung over a frictionless pulley. If the tension in the string is 50 N, what is the unknown mass? a. 3.24 kg c. 5.24 kg b. 4.24 kg d. 6.24 kg A shipping crate that weighs 300 N is initially stationary on a loading dock. A forklift arrives and lifts the crate with an upward force of 520 N, accelerating the crate upward. What is the magnitude of the force due to gravity acting on the shipping crate while it is accelerating upward? a. 18 m/s2 c. 19 m/s2 b. 17 m/s2 d. 16 m/s2 The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.00 N on Earth. 8. What is the weight of the apple on the Moon? a. 6 N c. 6 lb b. 1/6 N d. 1/6 lb 9. What is the mass of the apple? a. 6 kg c. 0.102 kg b. 1/6 kg d. 0.202 kg PROBLEM 9 10. A 430 N force accelerates a cart from 10 m/s to 18 m/s in 5 s. What is the mass of the cart? a. 278.75 kg c. 288.75 kg b. 268.75 kg d.…arrow_forwardGIVE THE FOLLOWING: 1. GIVEN 2. UNKNOWN 3. EQUATION 4. REQUIRED 5. ANSWER 1. 2 blocks m1 and m2 are connected by a rope and are initially laid at rest on a 30-degree incline plane. The plane surface has coefficients of static and kinetic friction at 0.20 and 0.18 respectively. A force 75N parallel to the inclined is applied to stop the blocks from sliding. Determine the masses of the blocks if m2 is twice as heavy as m1.arrow_forwardA horizontal force is used to pull a 5.0-kilogram cart at a constant speed of 5.0 meters per second across the floor. The force of friction between the cart and the floor is 10. newtons. V 5.0 m/s Horizontal force 5.0 kg Floor 127. What is the magnitude of the horizontal force along the handle of the cart? 128. Calculate the weight of the cart.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Newton's First Law of Motion: Mass and Inertia; Author: Professor Dave explains;https://www.youtube.com/watch?v=1XSyyjcEHo0;License: Standard YouTube License, CC-BY