Engineering Mechanics: Statics & Dynamics (14th Edition)
14th Edition
ISBN: 9780133915426
Author: Russell C. Hibbeler
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 8.2, Problem 57P
The man has a weight of 200 lb, and the coefficient of static friction between his shoes and the floor is, μs = 0.5. Determine where he should position his center of gravity G at d in order to exert the maximum horizontal force on the door. What is this force?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Choose the correct answer
If the center of gravity of the stacked tables is at G, and the stack weighs 100 lb, determine the smallest force P the boy must push on the stack in order to cause movement. The coefficient of static friction at A and B is s = 0.3. The tables are locked together.
Answer: P =
I need a process for this problem
Chapter 8 Solutions
Engineering Mechanics: Statics & Dynamics (14th Edition)
Ch. 8.2 - P81. Determine the friction force at the surface...Ch. 8.2 - P82. Determine M to cause impending motion of the...Ch. 8.2 - P83. Determine the force P to move block B.Ch. 8.2 - P84. Determine the force P needed to cause...Ch. 8.2 - F81. Determine the friction developed between the...Ch. 8.2 - F82. Determine the minimum force P to prevent the...Ch. 8.2 - Prob. 3FPCh. 8.2 - F84. If the coefficient of static friction at...Ch. 8.2 - F85. Determine the maximum force P that can be...Ch. 8.2 - F86. Determine the minimum coefficient of static...
Ch. 8.2 - F87. Blocks A, B, and C have weights of 50 N, 25...Ch. 8.2 - F88. If the coefficient of static friction at all...Ch. 8.2 - Prob. 9FPCh. 8.2 - Determine the maximum force P the connection can...Ch. 8.2 - The tractor exerts a towing force T=400 lb....Ch. 8.2 - The mine car and its contents have a total mass of...Ch. 8.2 - Prob. 4PCh. 8.2 - The automobile has a mass of 2 Mg and center of...Ch. 8.2 - The automobile has a mass of 2 Mg and canter of...Ch. 8.2 - The block brake consists of a pin-connected lever...Ch. 8.2 - The block brake consists of a pin-connected lever...Ch. 8.2 - Prob. 9PCh. 8.2 - Determine the angle at which the applied force P...Ch. 8.2 - Determine the maximum weight W the man can lift...Ch. 8.2 - Prob. 12PCh. 8.2 - Prob. 13PCh. 8.2 - The car has a mass of 1.6 Mg and center of mass at...Ch. 8.2 - The log has a coefficient of state friction of, s...Ch. 8.2 - Prob. 16PCh. 8.2 - The 180-Ib man climbs up the ladder and stops at...Ch. 8.2 - The spool of wire having a weight of 300 Ib rests...Ch. 8.2 - The spool of wire having a weight of 300 Ib rests...Ch. 8.2 - Prob. 20PCh. 8.2 - A man attempts to support a stack of books...Ch. 8.2 - The tongs are used to lift the 150-kg crate, whose...Ch. 8.2 - The beam is supported by a pin at A and a roller...Ch. 8.2 - The uniform thin pole has a weight of 30 Ib and a...Ch. 8.2 - The uniform pole has a weight of 30 Ib and a...Ch. 8.2 - The block brake is used to stop the wheel from...Ch. 8.2 - Solve Prob. 8-26 if the couple moment M0 is...Ch. 8.2 - A worker walks up the sloped roof that is defined...Ch. 8.2 - The friction pawl is pinned at A and rests against...Ch. 8.2 - Two blocks A and B have a weight of 10 Ib and 6...Ch. 8.2 - Two blocks A and B have a weight of 10 Ib and 6...Ch. 8.2 - Determine the smallest force P that must be...Ch. 8.2 - The man having a weight of 200 Ib pushes...Ch. 8.2 - The uniform hoop of weight W is subjected to the...Ch. 8.2 - Determine the maximum horizontal force P that can...Ch. 8.2 - Determine the minimum force P needed to push the...Ch. 8.2 - The coefficients of static and kinetic friction...Ch. 8.2 - The coefficient of static friction between the...Ch. 8.2 - Determine the smallest coefficient of static...Ch. 8.2 - If =30, determine the minimum coefficient of...Ch. 8.2 - Prob. 41PCh. 8.2 - Prob. 42PCh. 8.2 - Investigate whether the equilibrium can be...Ch. 8.2 - Prob. 44PCh. 8.2 - The beam AB has a negligible mass and thickness...Ch. 8.2 - Prob. 46PCh. 8.2 - Crates A and B weigh 200 Ib and 150 Ib,...Ch. 8.2 - Prob. 48PCh. 8.2 - The uniform crate has a mass of 150 kg. If the...Ch. 8.2 - Prob. 50PCh. 8.2 - Prob. 51PCh. 8.2 - Prob. 52PCh. 8.2 - Determine the smallest couple moment that can be...Ch. 8.2 - Prob. 54PCh. 8.2 - Prob. 55PCh. 8.2 - The disk has a weight W and lies on a plane that...Ch. 8.2 - The man has a weight of 200 lb, and the...Ch. 8.2 - Prob. 1CPCh. 8.2 - Prob. 4CPCh. 8.2 - Prob. 5CPCh. 8.4 - Determine the largest angle that will cause the...Ch. 8.4 - Prob. 59PCh. 8.4 - The wedge is used to level the member. Determine...Ch. 8.4 - The two blocks used in a measuring device have...Ch. 8.4 - If P=250 N, determine the required minimum...Ch. 8.4 - Determine the minimum applied force P required to...Ch. 8.4 - Prob. 64PCh. 8.4 - Prob. 65PCh. 8.4 - Prob. 66PCh. 8.4 - Prob. 67PCh. 8.4 - Prob. 68PCh. 8.4 - Prob. 69PCh. 8.4 - Prob. 70PCh. 8.4 - Prob. 71PCh. 8.4 - Prob. 72PCh. 8.4 - Prob. 73PCh. 8.4 - Prob. 74PCh. 8.4 - The shaft has a square-threaded screw with a lead...Ch. 8.4 - Prob. 76PCh. 8.4 - Prob. 77PCh. 8.4 - Prob. 78PCh. 8.4 - Prob. 79PCh. 8.4 - Prob. 80PCh. 8.4 - Prob. 81PCh. 8.4 - Determine the horizontal force P that must be...Ch. 8.5 - A cylinder having a mass of 250 kg is to be...Ch. 8.5 - Prob. 84PCh. 8.5 - A 180-lb farmer tries to restrain the cow from...Ch. 8.5 - The 100-lb boy at A is suspended from the cable...Ch. 8.5 - Prob. 87PCh. 8.5 - Prob. 88PCh. 8.5 - A cable is attached to the 20-kg plate B, passes...Ch. 8.5 - Prob. 90PCh. 8.5 - Prob. 91PCh. 8.5 - Determine the force P that must be applied to the...Ch. 8.5 - Prob. 93PCh. 8.5 - Prob. 94PCh. 8.5 - Prob. 95PCh. 8.5 - Determine the maximum and the minimum values of...Ch. 8.5 - Prob. 97PCh. 8.5 - Prob. 98PCh. 8.5 - Prob. 99PCh. 8.5 - Blocks A and B have a mass of 7 kg and 10 kg,...Ch. 8.5 - The uniform bar AB is supported by a rope that...Ch. 8.5 - Prob. 102PCh. 8.5 - Prob. 103PCh. 8.5 - Prob. 104PCh. 8.5 - A 10-kg cylinder D, which is attached to a small...Ch. 8.5 - Prob. 106PCh. 8.8 - The collar bearing uniformly supports an axial...Ch. 8.8 - The collar bearing uniformly supports an axial...Ch. 8.8 - The floor-polishing machine rotates at a constant...Ch. 8.8 - Prob. 110PCh. 8.8 - Prob. 111PCh. 8.8 - Prob. 113PCh. 8.8 - Prob. 114PCh. 8.8 - Prob. 115PCh. 8.8 - Prob. 116PCh. 8.8 - The collar fits loosely around a fixed shaft that...Ch. 8.8 - Prob. 118PCh. 8.8 - Prob. 119PCh. 8.8 - Prob. 120PCh. 8.8 - Solve Prob. 8-120 if the force P is applied...Ch. 8.8 - Prob. 122PCh. 8.8 - Prob. 123PCh. 8.8 - The uniform disk fits loosely over a fixed shaft...Ch. 8.8 - Prob. 125PCh. 8.8 - The bell crank fits loosely into a 0.5-in-diameter...Ch. 8.8 - The bell crank fits loosely into a 0.5-in-diameter...Ch. 8.8 - The vehicle has a weight of 2600 lb and center of...Ch. 8.8 - Prob. 129PCh. 8.8 - The handcart has wheels with a diameter of 6 in....Ch. 8.8 - Prob. 131PCh. 8.8 - Prob. 132PCh. 8.8 - R81. The uniform 20-lb ladder rests on the rough...Ch. 8.8 - R82. The uniform 60-kg crate C rests uniformly on...Ch. 8.8 - R83. A 35-kg disk rests on an inclined surface for...Ch. 8.8 - Prob. 4RPCh. 8.8 - Prob. 5RPCh. 8.8 - Prob. 6RPCh. 8.8 - Prob. 7RPCh. 8.8 - The hand cart has wheels with a diameter of 80 mm....
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The 3600-lb car with rear wheel drive is attempting to push the 4500-lb crate. The center of gravity of the car is at G, and the coefficients of static friction are 0.6 at B and 0.2 at C. Determine if the crate will slide. (The car pulling the crate is analyzed in Prob. 7.19.)arrow_forward4. The mine car and its contents have a total mass of 6000 kg and a centre of gravity at G. If the coefficient of static friction 10 kN between the wheels and the 0.9 m •G tracks is u = 0.4 when the wheels are locked, find the normal force acting on the front wheels at B and the rear 0.15 m 0.6 m - 1.5 m wheels at A when the brakes at both A and B are locked. Does the car move? [Ans. NA = 16.5 kN, Ng =42.3 kN, the car does not move] %3D lyparrow_forwardThe figure shows a bar in equilibrium position resting on the floor at point A and on the wall at point B. If the mass of the bar is m and the angle it makes with the floor is θ = π/6, find the magnitudes of the frictional and normal forces at points A and B.arrow_forward
- The 76-lb force P is applied to the 180-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume Ms = 0.43, Mk = 0.35. P Answer: F = i lbarrow_forwardASAP Please help me nowarrow_forwardDetermine the force P required to maintain the 235-kg engine in the position for which 0 = 28°. The diameter of the pulley at B is negligible. A Answer: P = i 2.0 m GO Tutorial 2.0 m eTextbook and Media 235 kg B Narrow_forward
- The refrigerator has a weight of 368 lb and rests on a tile floor for which us = 0.3. Also, the coefficient of static friction between the floor and the man's shoes is us = 0.5. If he pushes horizontally on the refrigerator, how much does he need to weigh in order to move the refrigerator? 4 ft -3 ft- -1.5 ft- --- JA 3 ftarrow_forwardThe 114-lb force P is applied to the 220-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.47, Mk = 0.36. P Answer: F = i H₂ Hk lbarrow_forward3 - please show the complete solution, thanks!arrow_forward
- Determine the maximum force P that can be applied withoutcausing the two 50-kg crates to move. The coefficient of staticfriction between each crate and the ground is μs = 0.25.(Use g = 9.81 m/s2) Answer P=arrow_forwardDetermine the force P required to maintain the 200-kg engine in the position for which θ = 25°. The diameter of the pulley at B is negligible.arrow_forwardThe 113-lb force P is applied to the 250-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.41, μ = 0.32. Answer: F= H₂ Hk lbarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L
International Edition---engineering Mechanics: St...
Mechanical Engineering
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:CENGAGE L
Column buckling; Author: Amber Book;https://www.youtube.com/watch?v=AvvaCi_Nn94;License: Standard Youtube License