A self-locking C-clamp is used to hold a workpiece with a clamping force of 5000 lb. The screw has a mean radius of 0.5 in and a lead of 0.16 in. If the screw has a coefficient of friction of 0.16, the moment needed to unclamp the workpiece is best given by a. 22.5 ft*lb

A self-locking C-clamp is used to hold a workpiece with a clamping force of 5000 lb. The screw has a mean radius of 0.5 in and a lead of 0.16 in. If the screw has a coefficient of friction of 0.16, the moment needed to unclamp the workpiece is best given by a. 22.5 ft*lb

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.36P: The coeffient of static friction between the uniform bar AB of weight W and the ground is 0.45. Find...

See similar textbooks

Related questions

Q: The link lengths and offset (in) and the values of 02, 002, and a2 for some noninverted, offset…

A: The link length and offset and values of the non-inverted offset four-bar crank-slider linkage in…

Q: A refrigeration system with R134a as the working fluid is used to maintain a space at 25°C by…

A: Here we will take enthalpies at both points and use them to get heat exchange.

Q: A nationwide hotel chain is considering locating a new hotel in Bigtown, USA. The cost of building a…

A: Given:To find:

Q: A 8 cm diameter solid aluminum post is subjected to a horizontal force of V= 8.6 kN and a…

Q: All problems require correctly drawn and labeled free body diagrams for each component that you…

Q: The working substance of a certain Carnot engine is 1.40 mol of an ideal monatomic gas. During the…

Q: Air at a temperature of 20°C and standard atmospheric pressure of 102 kPa flows through the nozzle…

A: To find:The mass flow in the pipe

Q: A brass flat, clamped disk valve of 0.4 m diameter and 0.020 m thickness is subjected to a uniform…

A: To Find:The boundary conditions at the edges of the plate.The maximum deflection of the disk.the…

Q: ! Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio…

Q: 1. For the beam shown below, compute the reactions at the supports and draw the shearing force and…

A: Given:Find:the support reactions and the shear force and bending moment diagram.

Q: 2/85 A projectile is launched with an initial speed of 200 m/s at an angle of 60' with respect to…

Q: ● Compute the time needed for the cylinder position to retract from the maximum position 1m to…

Q: The following data relate to a performance test of a single acting reciprocating air compressor.…

A: Given:Find:

Q: (a) Find the transient solution Pran(t) for the arterial pressure. The unit for P(t) is mmHg. (b)…

A: Laplace transform:Reverse Laplace transform:

Q: Knowing that the frictionless pulley has a radius of 50 mm, determine the internal forces at section…

A: Knowing that the frictionless pulley has a radius of 50 mm,Determine-The internal forces at section…

Q: Crank OA shown below rotates in the yz plane with a constant angular velocity of 6i rad/sec. Member…

Q: W Given a simply supported beam with length of 12 feet and a uniformly distributed load of w =…

Q: Below is a figure showing the apparent viscosity for a slurry of finely pulverized pine wood in…

A: The graph suggests that the slurry exhibits non-Newtonian behavior, where the apparent viscosity…

Q: D E 60° 16 KN 12 kN 10 KN 2.5 kN 20 kN B 60° -2d- 30° Given that A = 10 kN, B = 7 kN and C = 12 kN.…

Q: A refrigeration system with R134a as the working fluid is used to maintain a space at 25°C by…

A: The working fluid of the refrigeration system is R134aEntering the temperature of the working fluid…

Q: The 50 kg block is resting on a surface for which the coefficient of kinetic friction is µ = 0.2. A…

Q: A thick metal wire (consider it to be a string) on a particular piano is 2.0 m long and has a…

A: The given data :

Q: Air flows at 180 m/s through the pipe. The temperature is 400 K and the absolute stagnation pressure…

Q: A power plant turbine releases its discharge into a condenser operating at 20C at 100% saturated…

A: It is given that:condenser temperature is 20°C. Steam enters condenser as 100% saturated vapor.Mass…

Q: If link AB of the four-bar linkage has a constant counterclockwise angular velocity of 56 rad/s…

A: The constant angular speed of link AB is .

Q: Original Question: The figure below represents a pair of bevel gears A and B. Gear A rotates in a…

A: Given:The angular velocity of member OC is equal to the angular velocity of gear B because gear A is…

Q: 5-6-1-2 In the system shown, rod AO rotates at w,= 1 rad/s, while disk OP rotates at a constant rate…

Q: 1- Calculate the value of the force acting on a car with a mass of 1800 kg and an acceleration of 8…

A: Mass of the car, m = 1800 kgacceleration, a = 8 m/s²

Q: 5 kN 5 kN 5 kN D G b 2m 2m 3m K 3m b 3m

A: Given:- Determine:-The force in members DG and FI of the truss shown.

Q: A 9 cm diameter solid aluminum post is subjected to a horizontal force of V= 8.1 kN and a…

A: Given, A 9 cm diameter solid aluminum post is subjected to a horizontal force of V= 8.1 kN and a…

Q: Considering that m₁ = 3kg, m₂ = 4kg, k₁ = 6, k₂ = 16, Vb₁² = 10 Ns/m and Vb₂ = 16 Ns/m m m a) Obtain…

Q: Problem: Use method of joints (MOJ) and/or method of sections (MOS). Calculate the member force of…

Q: For the following thread designation, turns, how far have you advanced the O 083 inches O 417 inches…

Q: Part II 11. Two lbm of air initially at P₁= 15 psia and T₁ = 150 °F undergoes a cycle consisting of…

A: "Since you have posted with multiple sub parts, we will provide the solution only to the first three…

Q: The 8.1-ft steel beam is being hoisted from its horizontal position by the two cables attached at A…

Q: The BOM for product A is shown in Figure 11.40, and data from the inventory records are shown in…

A: Given:To find:a. Develop the material requirements plan for the next6 weeks for items C, D, and E.b.…

Q: A steel beam, of lengths a= 4 m and b=4 m and a hollow box cross section, is supported by a hinge…

A: Given:

Q: the maximum moment that the brake can hold is best given by a. 17.8 N*m b. 12.4 N*m c. 28.0 N*m d.…

A: Given:The radius is the value of a is The coefficient of friction is the load at the free end is the…

Q: A steam power plant with water as working fluid undergoes the following process: 1-2 Adiabatic…

A: To find:The values of temperature, pressure and specific enthalpy at points Dryness fraction at the…

Q: Water is pumped through a vertical 2-in. new galvanized-iron pipe to an elevated tank on the roof of…

Q: A commercial refrigerator with refrigerant-134a as the working fluid is used to keep the…

A: Given : The entering temperature at the refrigerated space is The mass flow rate is The exit…

Q: Determine the magnitude of the x-component of the resultant force vector -113 N 287 N 586 N -186 N…

Q: For the truss in figure below, the cross-sectional area of the truss members is A = 500 mm² and…

A: For the truss in figure below, the cross-sectional area of the truss members is A = 500 mm²…

Q: Make a detailed drawing of a Woodruff key connection between a shaft and the hub of a gear. The…

A: Shaft diameter Radius The key is made of C1118 cod-drawn steelYield strength of the material The…

Q: The manometer pictured has been filled with 2 different fluids and is open to the atmosphere on both…

Q: -2- A force of 500N acts on a body with a mass of 5 kg. What is the acceleration with which you will…

Q: we are directing a flow of water at 3 knots at a disk at a 3 cm in diameter with the stream diameter…

Q: What is the stagnation pressure in this region? Express your answer to three significant figures and…

A: Given data,the absolute air pressure Find Outa) What is the stagnation pressure in this region?b)…

Q: A simple but non-ideal Rankine cycle operates with water as the working fluid and operating between…

Q: Saturated water vapor at 150°C is compressed in a reversible steady-flow device to 1200 kPa while…

Question

What is the correct answer?

A self-locking C-clamp is used to hold a workpiece with a clamping force of 5000 lb. The screw
has a mean radius of 0.5 in and a lead of 0.16 in. If the screw has a coefficient of friction of 0.16,
the moment needed to unclamp the workpiece is best given by
a. 22.5 ft*lb
b. 44.3 ft*lb
c. 270 ft*lb
d. 532 ft*lb
[1]
Workpiece

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Given

VIEW

Step 2: To calculate helix angle and friction angle

VIEW

Step 3: To calculate the moment for unclamping

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

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

1. A double square thread power screw has a pitch of 6 mm and mean radius of34 mm. If it is used to lift a load 50 kN and coefficient of friction of threads is 0.15, determine the torque required toturn the screw.A. 343.74 N-m B. 353.47 N-m C. 335.47 N-m D. 347.35 N-m2. A lubricated bolt needs an initial torque of 145 lb-ft to take the initial tension brought by the compressor withoutbreaking. Determine the initial torque needed by the bolt if the bolt was not lubricated.A. 107.85 lb-ft B.108.25 lb-ft C. 108.75 lb-ft D. 193.33 lb-ft
Shaft and flange connections are provided by wedge in a system that transmits moment with flange coupling. The tangential force of the wedge is 40000 N and the diameter of the shaft used in the system is 40 mm and the diameter of the placement circle of the Bolts in the flange connection is 100 mm. Determine how many M16 (d1=13,546 mm) bolts should be used according to the moment transfer by cutting the Bolts between the flange surfaces. (The coefficient of friction between surfaces is 0.25. Bolt material is 4.6 quality and can be taken as Jul-Bolt=40 MPa, σem-Bolt=66.7 MPa. The safety coefficient was determined as 6.)
Determine diameter of hand-wheel or length of handle, assuming that maximum force exerted by a man is 150 lbf. The bolt is 1" OD, 0.9" ID. Coefficient of friction is .15 You need to push down with a force of 6000lbf. This is for a handle of a screw press. Please explain the equation and I will upvote
the radius of each pulley is 5 inches and the coeffiecent of friction is 0.3 a) determine the largest torque that can be transmitted if the allowable belt tension is 1000 lbs? b) what would be the largest torque if the belt is a v-belt with a groove angle of 75 degrees? c) which style belt transmits the highest torque a flat belt or a v belt?
A square threaded power screw has an efficiency of 65% when raising the load. The coefficientof friction for the threads is 0.15, with the collar friction negligible. Determine the lead angle of thescrew.
A plant is 10m ong is placed on a horizonta positin wth ts two ends resting on to inclined planed. Angle of friction on all surfaces is 20 degrees. 1. VAlue of x when plank will start to the side? 2. if P=100kn what is the reaction of A? 3. if P=100kn what is the reaction of B?
Solve Prob. 8.113 assuming that the belt is looped around the pulleys in a figure eight.(Reference to Problem 8.113):A flat belt is used to transmit a couple from pulley A to pulley B . The radius of each pulley is 60 mm, and a force of magnitude P = 900 N is applied as shown to the axle of pulley A . Knowing that the coefficient of static friction is 0.35, determine (a) the largest couple that can be transmitted, (b) the corresponding maximum value of the tension in the belt.
....An electric motor drives a compressor by use of V-belt. The angle of contact on the smaller pulley is 2.89 rad and the belt speed runs at 29.36 m/s. The groove angle of the pulleys is 35°. Determine the tension in the slack side of the belt in N if the belt has a cross-sectional area of 366 mm2, density 1000 kg/m3, and an allowable tensile stress of 2.3 MPa. The coefficient of friction between the belt and the pulley is 0.3
UseM = 3(N −1) − 2Jto calculate the mobility of the crank-slider mechanism
Problem -03Dry FrictionA band belt is used to control the speed of a flywheel as shown in figure-3.Determine the magnitude of the couple being applied to the flywheel, knowing that the coefficient of kinetic friction between the belt and the flywheel is 0.25 and that the flywheel is rotating clockwise at a constant speed. Show that the same result is obtained if the flywheel rotates counterclockwise.
Having the coefficient of frictions (μs = 0.40 and μk = 0.30), Determine whether the block is in equilibrium(explain) and find the value of the magnitude and the direction of the actual force if:a) P = 230lbb) P = 350 lb
A 30 KN of force at one end just supports a weight of 30,000 KN load at the other end. If the rope is run three times around a circular post, what is the coefficient of friction between the rope and the post? How to get the final answer 0.366?