Please answer 3, 4 and 5 3- Talk about the factor that affects the value of friction force.4- Calculate the coefficient of three different objects that start moving at the following angles: 15degrees, 36 degrees, and 70 degrees at the same surface.5- A 4.0 kg block is pulled from rest along a rough horizontal surface by two forces, the first one is20N in the left direction, and the second one is 6 N in the right direction. The coefficient of staticfriction is 0.253. (g-9.81m/s). Answer the following: - Will the block move, or will it remain atrest? - under the current external load, what is the magnitude of the friction force and themaximum friction force? - under the same external load but along an inclined surface with anincline angle equal to 35.5 degrees what is the magnitude of the friction force and the maximumfriction force?

Disclaimer: “Since you have asked multiple questions, we will solve the first question for you. If…

Answered: 3- Talk about the factor that affects…

Engineering

Mechanical Engineering

3- Talk about the factor that affects the value of friction force.

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 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

See similar textbooks

Related questions

Q: a. Rank the materials from most ductile to most brittle. b. Determine the tensile strength of each…

A: The material C has highest yield stress. Hence, it is the strongest material but most brittle one.…

Q: At 27 °C the reading on a manometer filled * with mercury is 90.6 cm. To what pressure does this…

A: The density of mercury at 27 degrees celsius is nearly 13.5*1000 kg/m3.

Q: The 61-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

A: Givenm=61lbVA=6.8 ft/sVB=23.5 ft/s

Q: The Second Law of Thermodynamics is about the quality of energy. True O False

A: Given question: True or False The Second Law of thermodynamics is about the quality of energy.…

Q: 14.Consider a metal single crystal oriented such that the normal to the slip plane and the slip…

A: Given: Let us consider the given data, ϕ=50λ=45 Critical resolved shear stress,τR=22.7 MPa Lets…

Q: is state quantities because they describe quantitatively an equilibrium state of a thermodynamic…

A: State function: State function are those properties of a system whose value depends on the end…

Q: Q1/ The tank of water in Fig. 1 is (12 cm) wide into the paper. If the tank is accelerated to the…

Q: Bernoulli equation deals with the :law of conservation of Work. O Force. O Energy. O none of the…

A: Bernoulli's equation deals with the law of conservation of: Answer: Energy

Q: If the eyebolt is made of a material having a fail stress of o= 180 MPa, determine the minimum…

Q: Variable costs include: * O The costs incurred during the manufacturing process O All of the choices…

A: To select the correct option.

Q: 42. At 30°C, air-vapor mixture has a relative humidity of 80%. Find the humidity ratio if barometric…

Q: During a thermodynamics process in an ideal gas with adiabatic exponenty, one third of heat supplied…

Q: tiate between plane motion and linear motion with examples. (b) A car starts from rest moves with…

A: The linear motion is the change in position of an object with respect to a single axis, either…

Q: Is expressed as the equivalent height of a fluid column.

Q: safely provide a shear strength of 135 psi. Determine the smallest allowable length L that can be…

A: Solution - Given data - P = 18 kips = 18,000lbs Shear strength of 135 psi

Q: 7.14 In a 1:40 model of the flow over the crest of a spillway the velocity at a particular point is…

Q: When demand rises and supply remains constant. The price is: Decreased

A: To select the correct option.

Q: Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded as shown. If the…

Q: The strain components for a point in a body subjected to plane strain are εx = -270 με, εy = 730με…

Q: Q.6. A plate 450 mm x 150 mm has been placed longitudinally in a stream of crude oil (Sp. gravity…

Q: Use the virtual force method to determine the vertical displacement at joint A. Assume E = 29,000…

Q: Find the eigenvalues and eigenvectors of the matrix -4.0 4.0 A -1.6 1.2

Q: 2- (Initial Value Problem in the Case of a Double Root) Solve the initial value problem y" + y +…

Q: The value of surface tension is less at O 50 oC O 80 oC 103 OF 3000C O No correct answer

A: In this problem, it is asking about the surface tension of water.

Q: gravity 0 Qat tok

Q: شرع Find the discharge of water flow .through the pipe in Fig 0.5m (2 D=50mm/ FL-6m EL-4.5m 0.024…

Q: Q6. Answer following questions by True or False 1. Injector that sprays into the intake system…

Q: A uniform ladder of length 3.25 m and weighing 250 N is placed Against a smooth vertical wall with…

Q: Give a discussion on the applications of Bolts, Studs, Screws (Minimum 5 Aero-Specific applications)

A: Bolt, studs, and screws are commonly used as fasteners. They are used for fastening purposes and…

Q: Show in Figure 1 is the water flow system. The velocity head difference is . Volume flow rate is .…

Q: * Size of a venturimeter is specified by throat diameter O pipe diameter O both pipe diameter as…

Q: i need the answer quickly

A: Given

Q: Water flows over a waterfall 328 Ft in height. Take 2.204 lb of the water as the syste and assume…

A: Given: Let us consider the given, h=328 ftm=2.204 lb Lets determine the water's potential energy at…

Q: 158 158 258 350 The crate weight is 270 lb. The minimum force p for tipping is lb

Q: Gate AB in Fig. of pressure. is 1.0 m long and 0.9 m wide. Calculate force F on the gate and the…

Q: The A 8000 lb TIT 6000 lb -4 ft. 10.000 lb 4 ft-> 4 4 ft → 4 fi B

Q: *8-12. Determine the slope and displacement at C. EI is constant. Use the moment-area theorems.…

Q: A fluid is flowing in a round pipe. The Reynolds number is Re = 3 x 10°. The relative roughness is =…

Q: If the resultant couple moment is - 1.5 kN.m, the value of F is F 0.9 m 2 kN B -F 0.3 m 2 kN kN.

Q: Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ - 3200 mm² and an…

Q: A uniform ladder of length 3.25 m and weighing 250 N is placed Against a smooth vertical wall with…

Q: One kilogram of air is heated reversibly at * constant pressure from an initial state of 300 K and 1…

Q: Please do #6

A: Given AB+A=X

Q: -4 cm inner diameter from

Q: The rectangular bar is connected to the support bracket with a 24-mm-diameter pin. The bar width is…

Q: The tendency for an immersed body to be lifted up in the fluid, due to an upward force opposite to…

A: Given Statement:- The tendency for an immersed body to be lifted up in the fluid, due to an upward…

Q: Replace the loading acting on the beam by a single resultant force. Take F₁ = 450 N, F₂ = 290 N, F3…

A: Given Force, F1 = 450 N F2 = 300 N F3 = 700 N Moment, M = 1500 N.m Find…

Q: --is a thermodynamic process during which the volume of the closed system undergoing such a process…

Q: Blocks A and B Weigh 50 Nand 30 N respectivety using the coefficients of Static friction indicated.…

A: Find largest weight of body D.

Q: i need the answer quickly

A: Given

Question

Please answer 3, 4 and 5

3- Talk about the factor that affects the value of friction force.
4- Calculate the coefficient of three different objects that start moving at the following angles: 15
degrees, 36 degrees, and 70 degrees at the same surface.
5- A 4.0 kg block is pulled from rest along a rough horizontal surface by two forces, the first one is
20N in the left direction, and the second one is 6 N in the right direction. The coefficient of static
friction is 0.253. (g-9.81m/s). Answer the following: - Will the block move, or will it remain at
rest? - under the current external load, what is the magnitude of the friction force and the
maximum friction force? - under the same external load but along an inclined surface with an
incline angle equal to 35.5 degrees what is the magnitude of the friction force and the maximum
friction force?

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

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

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

The normal pressure acting on the disk of the sander is given by p=(4/3)+(r2/6), where p is the pressure in pounds per square inch (psi) and r represents the radial distance in inches. Determine the torque C required to operate the sander at constant speed if the kinetic coefficient of friction for the surface being sanded is 0.86.
The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the smallest force P and the corresponding angle that would cause impending sliding of the block. The angle of static friction between the block and the ground is s.
Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center of gravity of the mower is at G, and the coefficients of rolling resistance are 0.12 for the front wheels and 0.18 for the rear wheels.
The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a mean radius of 75 mm. The static and kinetic coefficients of friction between the gear and the screw are 0.12 and 0.06, respectively. The input torque applied to the screw is C0=10Nm. Assuming constant speed operation, determine the output torque C1 acting on the gear.
The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016, determine the force F required to advance the bar at a constant speed.
A dictionary is pulled to the right at constant velocity by a 10 N force acting 30° upward above the horizontal. The coefficient of kinetic friction between the book and the horizontal surface is 0.5. What is the weight of the book?
A block rest on a horizontal board. the board is gradually tilted upward and the block just begin to slide when the angle of inclination is 21°, a. Find the coefficient of static friction between the block and the board. b. After the block starts moving it is found that it will keep sliding at constant speed when the angle tilt to 15°. Find the coefficient of kinetic friction. Express in terms of variables the W and other forces.
A 75 N force, inclined at an angle a = 45° as shown in Figure 3.5, pulls a 100 N block. The coefficient of static friction between the block and the floor is 1.3, and the coefficient of kinetic friction is 1.1. Determine the friction force between the block and the floor.
4. The weight of each wheel of a motor driven traveling crane moving at 600fpm is 5800 Ibs. If the coefficient of rolling friction is 0.05, find the horsepower required to overcome friction. 5. Compute the force necessary to move a 6000 lbs supported on four wheels of 2.5 ft diameter, assuming the coefficient of rolling friction to be 0.007.
A ladder of length 5 m is resting against a smooth wall, its point of contact being just below a first floor window. The bottom of the ladder rests on the ground and the coefficient of friction between the ladder and the ground is 0.3. A person of mass 75 kg climbs the ladder, which has a mass of 4 kg. The bottom of the ladder is at the point of slipping, outward from the wall, just as the person reaches the mid-point of the ladder’s length. Draw a free body diagram of the ladder and calculate the maximum frictional force opposing the slipping motion. In addition, determine the angle of inclination (θ) of the ladder, when the person is at the mid-point and the ladder is on the verge of slipping.
A box rests on a horizontal plane. The plane is slowly tilted so that the angle between the surface and the horizontal increases to 20 degrees, at which point the box begins to slip. what is the coefficient of static friction between the box and the surface to 2 s.f.?
A car weighing 13,000 N is driving at a speed of 50 km/h, overcoming a resistance (FD) of 450 N, as shown in Figure 3. If the coefficient of friction between a wheel and a road on a frozen pavement is 0.065, explain which case is good for maintaining speed, forward or backward wheel rolling, using reaction force and friction force.