Physics for Scientists and Engineers with Modern Physics, Technology Update
9th Edition
ISBN: 9781305401969
Author: SERWAY, Raymond A.; Jewett, John W.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 5, Problem 21P
(a)
To determine
The forced exerted by the floor on the block.
(b)
To determine
The reaction force on the block after hanging a block of
(c)
To determine
The reaction force on the block after hanging a block of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A block weighing 15.0 N rests on the floor. (a) What size force does the floor exert on the block?
(b) A rope is tied to the block and is run vertically over a pulley. The other end is attached to a
free-hanging 10.0 N object. What now is the size of the force exerted by the floor on the 15.0 N
block?
(a) A force F pushes on a 25kg box as shown in the figure.
The coefficient of static friction between box and incline
is ps = 0.20. How large a horizontal force must push on
the block if the block is to be on the verge of sliding up
the incline?
3.
25 kg
„40.
40°
(b) A force F applied to an object of mass mi produces an
acceleration of 3 m/s?. The same force applied to a second object of mass m2 produces an acceleration of 1
m/s?. If mi and m2 are combined, find their acceleration under the action of the force F?
How much sand (in kgs) is needed to
be added into the can in order
to overcome friction from the table?
The box and the can weighs 3.5 kg
and 0.5 kg, respectively and the
coefficient of static friction between
the box
and the table is 0.35. Assume the
pulley is frictionless.
Chapter 5 Solutions
Physics for Scientists and Engineers with Modern Physics, Technology Update
Ch. 5.2 - Which of the following statements is correct? (a)...Ch. 5.4 - An object experiences no acceleration. Which of...Ch. 5.4 - You push an object, initially at rest, across a...Ch. 5.5 - Suppose you are talking by interplanetary...Ch. 5.6 - (i) If a fly collides with the windshield of a...Ch. 5.8 - You press your physics textbook flat against a...Ch. 5.8 - Prob. 5.7QQCh. 5 - The driver of a speeding empty truck slams on the...Ch. 5 - In Figure OQ5.2, a locomotive has broken through...Ch. 5 - Prob. 3OQ
Ch. 5 - Prob. 4OQCh. 5 - Prob. 5OQCh. 5 - The manager of a department store is pushing...Ch. 5 - Two objects are connected by a string that passes...Ch. 5 - Prob. 8OQCh. 5 - A truck loaded with sand accelerates along a...Ch. 5 - A large crate of mass m is place on the flatbed of...Ch. 5 - If an object is in equilibrium, which of the...Ch. 5 - A crate remains stationary after it has been...Ch. 5 - An object of mass m moves with acceleration a down...Ch. 5 - Prob. 1CQCh. 5 - Your hands are wet, and the restroom towel...Ch. 5 - In the motion picture It Happened One Night...Ch. 5 - If a car is traveling due westward with a constant...Ch. 5 - A passenger sitting in the rear of a bus claims...Ch. 5 - A child tosses a ball straight up. She says that...Ch. 5 - A person holds a ball in her hand. (a) Identify...Ch. 5 - Prob. 8CQCh. 5 - Prob. 9CQCh. 5 - Twenty people participate in a tug-of-war. The two...Ch. 5 - Prob. 11CQCh. 5 - Prob. 12CQCh. 5 - A weightlifter stands on a bathroom scale. He...Ch. 5 - Prob. 14CQCh. 5 - Suppose you are driving a classic car. Why should...Ch. 5 - Prob. 16CQCh. 5 - Describe two examples in which the force of...Ch. 5 - The mayor of a city reprimands some city employees...Ch. 5 - Give reasons for the answers to each of the...Ch. 5 - Prob. 20CQCh. 5 - Identify actionreaction pairs in the following...Ch. 5 - Prob. 22CQCh. 5 - Prob. 23CQCh. 5 - A certain orthodontist uses a wire brace to align...Ch. 5 - If a man weighs 900 N on the Earth, what would he...Ch. 5 - A 3.00-kg object undergoes an acceleration given...Ch. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - The average speed of a nitrogen molecule in air is...Ch. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Review. The gravitational force exerted on a...Ch. 5 - Review. The gravitational force exerted on a...Ch. 5 - Review. An electron of mass 9. 11 1031 kg has an...Ch. 5 - Prob. 12PCh. 5 - One or more external forces, large enough to be...Ch. 5 - A brick of mass M has been placed on a rubber...Ch. 5 - Two forces, F1=(6.00i4.00j)N and...Ch. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Prob. 19PCh. 5 - You stand on the seat of a chair and then hop off....Ch. 5 - Prob. 21PCh. 5 - Review. Three forces acting on an object are given...Ch. 5 - Prob. 23PCh. 5 - Prob. 24PCh. 5 - Review. Figure P5.15 shows a worker poling a boata...Ch. 5 - An iron bolt of mass 65.0 g hangs from a string...Ch. 5 - Prob. 27PCh. 5 - The systems shown in Figure P5.28 are in...Ch. 5 - Prob. 29PCh. 5 - A block slides down a frictionless plane having an...Ch. 5 - The distance between two telephone poles is 50.0...Ch. 5 - A 3.00-kg object is moving in a plane, with its x...Ch. 5 - A bag of cement weighing 325 N hangs in...Ch. 5 - A bag of cement whose weight is Fg hangs in...Ch. 5 - Prob. 35PCh. 5 - Prob. 36PCh. 5 - An object of mass m = 1.00 kg is observed to have...Ch. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - An object of mass m1 = 5.00 kg placed on a...Ch. 5 - Prob. 41PCh. 5 - Two objects are connected by a light string that...Ch. 5 - Prob. 43PCh. 5 - Prob. 44PCh. 5 - In the system shown in Figure P5.23, a horizontal...Ch. 5 - An object of mass m1 hangs from a string that...Ch. 5 - A block is given an initial velocity of 5.00 m/s...Ch. 5 - A car is stuck in the mud. A tow truck pulls on...Ch. 5 - Prob. 49PCh. 5 - Prob. 50PCh. 5 - In Example 5.8, we investigated the apparent...Ch. 5 - Consider a large truck carrying a heavy load, such...Ch. 5 - Prob. 53PCh. 5 - Prob. 54PCh. 5 - A 25.0-kg block is initially at rest on a...Ch. 5 - Why is the following situation impassible? Your...Ch. 5 - Prob. 57PCh. 5 - Before 1960m people believed that the maximum...Ch. 5 - Prob. 59PCh. 5 - A woman at an airport is towing her 20.0-kg...Ch. 5 - Review. A 3.00-kg block starts from rest at the...Ch. 5 - The person in Figure P5.30 weighs 170 lb. As seen...Ch. 5 - A 9.00-kg hanging object is connected by a light,...Ch. 5 - Three objects are connected on a table as shown in...Ch. 5 - Prob. 65PCh. 5 - A block of mass 3.00 kg is pushed up against a...Ch. 5 - Prob. 67PCh. 5 - Prob. 68PCh. 5 - Prob. 69PCh. 5 - A 5.00-kg block is placed on top of a 10.0-kg...Ch. 5 - Prob. 71PCh. 5 - A black aluminum glider floats on a film of air...Ch. 5 - Prob. 73APCh. 5 - Why is the following situation impossible? A book...Ch. 5 - Prob. 75APCh. 5 - A 1.00-kg glider on a horizontal air track is...Ch. 5 - Prob. 77APCh. 5 - Prob. 78APCh. 5 - Two blocks of masses m1 and m2, are placed on a...Ch. 5 - Prob. 80APCh. 5 - An inventive child named Nick wants to reach an...Ch. 5 - Prob. 82APCh. 5 - Prob. 83APCh. 5 - An aluminum block of mass m1 = 2.00 kg and a...Ch. 5 - Prob. 85APCh. 5 - Prob. 86APCh. 5 - Prob. 87APCh. 5 - Prob. 88APCh. 5 - A crate of weight Fg is pushed by a force P on a...Ch. 5 - Prob. 90APCh. 5 - A flat cushion of mass m is released from rest at...Ch. 5 - In Figure P5.46, the pulleys and pulleys the cord...Ch. 5 - What horizontal force must be applied to a large...Ch. 5 - Prob. 94APCh. 5 - A car accelerates down a hill (Fig. P5.95), going...Ch. 5 - Prob. 96CPCh. 5 - Prob. 97CPCh. 5 - Initially, the system of objects shown in Figure...Ch. 5 - A block of mass 2.20 kg is accelerated across a...Ch. 5 - Prob. 100CPCh. 5 - Prob. 101CPCh. 5 - In Figure P5.55, the incline has mass M and is...Ch. 5 - Prob. 103CPCh. 5 - Prob. 104CP
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 box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end (refer to the figure below). Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs (a) 30.0 N, (b) 60.0 N, and (c) 90.0 N.arrow_forwardA block of mass 2.63 kg is hung at the midpoint of a string that is attached to the top of a 2-m tall pole at one end and to the top of another 2-m tall pole that is 5 m away at its other end. If due to the weight of the block the string deviates by 6.5º from the horizontal on each side of the block, what is the tension in the string?arrow_forwardA crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.410, calculate the following. (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 72.0 N moves the crate. (c) Calculate the normal force when the 72.0-N applied force is exerted at an angle of 37.5 above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 72.0-N applied force is exerted at an angle of 37.5° above the horizontal.arrow_forward
- If a block of mass 889g is being pulled with a force of 2.2N parallel to a horizontal surface with a max static friction coefficient of 0.801, but the block remains at rest what is the static friction force on the block (in unit of N)?arrow_forwardA crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.440, calculate the following. edi ume (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 91.0 N moves the crate. (c) Calculate the normal force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal.arrow_forwardA box weighing 50 N rests on a horizontal surface. A person pulls with a force of 10N to the right and it does not move. In order for you to move, you need another person who pulls vertically. What is the minimum force that the other person needs to exert in order for it to move? Coefficient of static friction = 0.4arrow_forward
- A crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.380, calculate the following. (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 89.0 N moves the crate. (c) Calculate the normal force when the 89.0-N applied force is exerted at an angle of 32.5° above the horizontal. (Give the magnitude.) N (d) Calculate the magnitude of the kinetic friction force when the 89.0-N applied force is exefted at an angle of 32.5° above the horizontal,arrow_forwardA crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.410, calculate the following. (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 89.0 N moves the crate. (c) Calculate the normal force when the 89.0-N applied force is exerted at an angle of 37.5° above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 89.0-N applied force is exerted at an angle of 37.5° above the horizontal. Need Help? Read It Read Itarrow_forwardThe coefficient of static friction between a toboggan and dry snow is 0.50. If the toboggan's mass is 9.75 kg, what is the minimum applied force required to move the toboggan?arrow_forward
- A 3.0 kg block of wood sits on a horizontal wooden floor. The larges force that can be applied before it starts moving is 14.7 N. Once the block starts moving, you only need 8.8N to keep it moving. (a) What is the coefficient of static friction? (b) What is the force of friction acting on the block if you push with a force of 6.8N [E]? (c) Calculate the max static friction if you place a 2.1 kg on top of it (d) What is the kinetic coefficient of friction?arrow_forwardThe bracket, which is fastened to a wall by anchor bolts at A and B is loaded by the force P = 120 N and the couple C = 140 N.m. Replace P and C with (a) an equivalent force-couple system, the force of which acts at A; and (b) two vertical forces, one acting at A and the other at B.arrow_forwardA 26.8 kg box sits on a ramp at an angle of 13° above the horizontal. If the coefficient of static friction between the box on the ramp is 0.215, what minimum applied force is required to keep the box at rest?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-Hill
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License