Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 3, Problem 68SP
Someone wearing rubber-soled shoes is standing still on a wooden floor. If a
horizontal push of 800 N just gets him sliding, how much does he weigh? [Hint: Use
Table 3-1 and give your answer to one significant figure.]
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Three stacked blocks have a downward force F' exerted on them as shown:
Assume the system is at rest (such as blocks stacked on a stationary table).
If m = 6.5 kg and F' = 9.9 N, what is the normal force exerted on the 5m block by the 8m block?
Express your answer in N, to at least one digit after the decimal point.
A dockworker applies a constant horizontal force of 75.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 12.0 m in 4.8 s. What is the mass (in kg) of the block of ice? (Round your answer to one digit after decimal point)
Two muscles in the back of the leg pull upward on the Achilles tendon, as shown below. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) Find the magnitude and direction of the total force on the Achilles tendon.
The Magnitude in 2 decimal places is Blank 1.
The direction is Blank 2° counterclockwise from the horizontal line.
Chapter 3 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 3 - 3.42 [I] Two forces act on a point object as...Ch. 3 - 3.43 [I] Compute algebraically the resultant of...Ch. 3 - 3.44 [I] Two forces, 80 N and 100 N, acting at...Ch. 3 - 3.45 [I] Find algebraically the (a) resultant...Ch. 3 - 3.46 [I] Having hauled it to the top of a...Ch. 3 - 3.47 [II] Repeat Problem 3.46 if the handle is...Ch. 3 - 3.48 [I] A force of 100 lb acting on a body...Ch. 3 - 3.49 [I] An unknown force acting on a 50.0-g...Ch. 3 - 3.50 [I] Once ignited, a small rocket motor on a...Ch. 3 - 3.51 [II] Typically, a bullet leaves a standard...
Ch. 3 - 3.52 [I] A force acts on a 2-kg mass and gives...Ch. 3 - 3.53 [I] An object has a mass of 300 g. (a)...Ch. 3 - 3.54 [I] A horizontal cable pulls a 200-kg cart...Ch. 3 - 3.55 [II] A 900-kg car is going 20 m/s along a...Ch. 3 - 3.56 [II] A 12.0-g bullet is accelerated from rest...Ch. 3 - 3.57 [II] A 20-kg crate hangs at the end of a long...Ch. 3 - 3.58 [II] A 5.0-kg mass hangs at the end of a...Ch. 3 - 3.59 [II] A 700-N man stands on a scale on the...Ch. 3 - 3.60 [II] Using the scale described in Problem...Ch. 3 - 3.61 [II] A cord passing over a frictionless,...Ch. 3 - 3.62 [II] An elevator starts from rest with a...Ch. 3 - 3.63 [II] Just as her parachute opens, a 60-kg...Ch. 3 - 3.64 [II] A 300-g mass hangs at the end of a...Ch. 3 - 3.65 [II] A 20-kg wagon is pulled along the level...Ch. 3 - 3.66 [II] A 12-kg box is released from the top of...Ch. 3 - 3.67 [I] A wooden crate weighing 1000 N is at...Ch. 3 - 3.68 [I] Someone wearing rubber-soled shoes is...Ch. 3 - 3.69 [I] A standing 580-N woman wearing climbing...Ch. 3 - 3.70 [II] For the situation outlined in Problem...Ch. 3 - 3.71 [II] An inclined plane makes an angle of ...Ch. 3 - 3.72 [II] A horizontal force F is exerted on a...Ch. 3 - 3.73 [II] An inclined plane making an angle of ...Ch. 3 - 3.74 [III] Repeat Problem 3.73 if the coefficient...Ch. 3 - 3.75 [III] A horizontal force of 200 N is required...Ch. 3 - 3.76 [II] Find the acceleration of the blocks in...Ch. 3 - 3.77 [III] Repeat Problem 3.76 if the coefficient...Ch. 3 - 3.78 [III] How large a force F is needed in Fig....Ch. 3 - 3.79 [III] In Fig. 3-28, how large a force F is...Ch. 3 - 3.80 [III] (a) What is the smallest force parallel...Ch. 3 - 3.81 [III] A 5.0-kg block rests on a incline. The...Ch. 3 - 3.82 [III] Three blocks with masses 6.0 kg, 9.0...Ch. 3 - 3.83 [I] Floating in space far from anything...Ch. 3 - 3.84 [I] Two cannonballs that each weigh 4.00...Ch. 3 - 3.85 [I] Imagine a planet and its moon...Ch. 3 - 3.86 [I] Two NASA vehicles separated by a...Ch. 3 - 3.87 [I] Suppose you are designing a small,...Ch. 3 - Prob. 88SPCh. 3 - Prob. 89SPCh. 3 - 3.90 [II] A space station that weighs 10.0 MN on...Ch. 3 - 3.91 [II] An object that weighs 2700 N on the...Ch. 3 - 3.92 [II] Imagine a planet having a mass twice...Ch. 3 - 3.93 [II] The Earth’s radius is about 6370 km. An...Ch. 3 - 3.94 [II] A man who weighs 1000 N on Earth stands...Ch. 3 - 3.95 [II] The radius of the Earth is about 6370...Ch. 3 - 3.96 [II] The fabled planet Dune has a diameter...Ch. 3 - 3.97 [III] An astronaut weighs 480 N on Earth. She...
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
- Figure shows a block of mass m resting on a 20° slope. The block has coefficients of friction μ = 0.78 and = 0.47 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg. (Figure 1) Figure Part A m= Part B What is the minimum mass m that will stick and not slip? Express your answer to three significant figures and include the appropriate units μA Value a= m 20⁰ Value Units www Units ? If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will Express your answer to three significant figures and include the appropriate units. 2 kg 1 of 1 ?arrow_forwardThe 100 kg block in the figure takes 5.6 s to reach the floor after being released from rest. (Figure 1) Figure ✓ Part A m m = 100 kg 1 m What is the mass of the block on the left? Express your answer in kilograms. ΠΙ ΑΣΦ ? kg 1 of 1arrow_forwardFor Problems 1 and 2, use the following formula to describe the magnitude of a drag force: 1 D = — -CA pv² 2 FD Problem 1: When a car is traveling at a speed of 30 km/h, it experiences a drag force of magnitude F. If the car increases its speed to 40 km/h, what then will be the drag force it experiences? Assume the drag force is proportional to the square of speed.arrow_forward
- Consider (Figure 1). Block A weighs 50 lb and the platform weighs 16 lb. Figure 1 of 1 Part A If P = 100 lb, determine the normal force exerted by block A on B. Neglect the weight of the pulleys and bars of the triangular frame. Express your answer in pounds to three significant figures. N = Submit 195| ΑΣΦ. 41 Provide Feedback Request Answer vec ? lbarrow_forwardThree blocks are stacked on the floor. From the bottom of the stack to the top, their masses are m1, m2, and m3, respectively, as shown on the diagram. When referring to the various forces, the subscripts i=1,2,3 of the blocks will be used, and ff will be used to indicate the floor. Weights, if required, will be denoted with the corresponding subscript of the block as Fg,i, for i=1,2,3. The normal force exerted by object a on object b, if required, will be denoted as Fn,a→b for i=1,2,3, f, but a≠b. The force of kinetic friction exerted by object a on object b, if required, will be denoted as Fk,a→b for i=1,2,3,f, but a≠b. The force of static friction exerted by object a� on object b�, if required, will be denoted as F⃗ s,a→b for i=1,2,3,f, but a≠b. Form an expression for the magnitude of the force of the bottom-most block on the center block valid for any value of the vertical acceleration, ay, using only the parameters provided in the palette.arrow_forwardThe diagram below shows a block of mass m=2.00kg on a frictionless horizontal surface, as seen from above. Three forces of magnitudes F1=4.00N, F2=6.00N, and F3=8.00N are applied to the block, initially at rest on the surface, at angles shown on the diagram. (Figure 1) In this problem, you will determine the resultant (total) force vector from the combination of the three individual force vectors. All angles should be measured counterclockwise from the positive x axis (i.e., all angles are positive). Part A) Calculate the magnitude of the total resultant force Fr= F1+F2+F3 acting on the mass. Part B) What angle does Fr make with the positive x axis? Part C) What is the magnitude and direction of the mass's acceleration vector, a ? Part D) How far (in meters) will the mass move in 5.0 s? Part E) What is the magnitude of the velocity vector of the block at t=5.0s? Part F) In what direction is the mass moving at time t=5.0s?arrow_forward
- Three blocks are stacked on the floor. From the bottom of the stack to the top, their masses are m1, m2, and m3, respectively, as shown on the diagram. When referring to the various forces, the subscripts i=1,2,3 of the blocks will be used, and ff will be used to indicate the floor. Weights, if required, will be denoted with the corresponding subscript of the block as Fg,i, for i=1,2,3. The normal force exerted by object a on object b, if required, will be denoted as Fn,a→b for i=1,2,3, f, but a≠b. The force of kinetic friction exerted by object a on object b, if required, will be denoted as Fk,a→b�→�,�→� for i=1,2,3,f�=1,2,3,f, but a≠b�≠�. The force of static friction exerted by object a� on object b�, if required, will be denoted as F⃗ s,a→b for i=1,2,3,f, but a≠b. The floor mentioned in the problem statement is the floor of an elevator. When the elevator accelerates, all of the blocks have a common acceleration in the vertical direction. Form an expression for…arrow_forwardTwo muscles in the back of the leg pull upward on the Achilles tendon, as shown in the figure. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) Find the magnitude, in newtons, of the total force on the Achilles tendon.arrow_forwardGiven a collision in which car #1 of mass 5,000 kg collided with car #2 of mass 2,500kg . If the magnitude of the force of the car #1 on car #2 = 100 N then what is the magnitude of the force of the car #2 on 1 ?arrow_forward
- Two crates connected by a rope lie on a horizontal surface (Figure 1). Crate A has mass mA and crate B has mass mB. The coefficient of kinetic friction between each crate and the surface is μk. The crates are pulled to the right at constant velocity by a horizontal force F. In terms of mA, mB, and μk, calculate the magnitude of the force F. Express your answer in terms of some or all of the variables mA, mB, μk, and acceleration due to gravity g. In terms of mA, mB, and μk, calculate the tension in the rope connecting the blocks. Include the free-body diagram or diagrams you used to determine each answer.arrow_forwardTake P = 660 lb. (Figure 1) Figure y E 4 ft X P -2 ft- D T 2 ft 1 ft 3 ft 1 of 1 > Part A Determine the horizontal and vertical components of force that the pin at B exert on member ABD of the frame. Express your answer in pounds to three significant figures. Enter your answer separated by a comma. = B₁. By 1320,- 660 Submit Part B VA£¢ ΑΣΦ Dz. Dy = X Incorrect; Try Again; 4 attempts remaining Term 1: Check your signs. Submit Provide Feedback vec Previous Answers Request Answer 6 Determine the horizontal and vertical components of force that the pin at D exert on member ABD of the frame. Express your answer in pounds to three significant figures. Enter your answer separated by a comma. IV—| ΑΣΦ VE Request Answer ↓↑ vec 4 ? B lb ? lbarrow_forwardThree blocks are stacked on the floor. From the bottom of the stack to the top, their masses are m1, m2, and m3, respectively, as shown on the diagram. When referring to the various forces, the subscripts i=1,2,3 of the blocks will be used, and f will be used to indicate the floor. Weights, if required, will be denoted with the corresponding subscript of the block as Fg,i for i=1,2,3. The normal force exerted by object a on object b, if required, will be denoted as Fn,a→b for i=1,2,3,f but a≠b. The force of kinetic friction exerted by object a on object b, if required, will be denoted as Fk,a→b for i=1,2,3,f, but a≠b. The force of static friction exerted by object a on object b, if required, will be denoted as Fs,a→b for i=1,2,3,f, but a≠b. Form an expression for the magnitude of the force of the floor on the bottom-most block valid for any value of the vertical acceleration, ay, using only the parameters provided in the palette.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License