A bicycle rider would like to compare the effectiveness of cantilever hand brakes [see figure part (a)] versus V brakes [figure part (b)]. (a) Calculate the braking force RB at the wheel rims for each of the bicycle brake systems shown. Assume that all forces act in the plane of the figure and that cable tension T = 45 lbs. Also, what is the average compressive normal stress #c on the brake pad (A 0.625 in2)? (b) For each braking system, what is the stress in the brake cable (assume effective cross-sectional area of 0.00167 in2)

Q: A helical compression spring of 10 coils, dw=1mm, dm = 14 mm, P = 3mm, G= 80 GPa. Find (K), (U) and…

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Q: The block-type hand brake shown in the figure has a face width of 1.25 in and a mean coefficient of…

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Q: = 8 kN, T12 = 2 kN, T

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Q: caliculate the torque and rotation speed at the input pulley if output pulley needs to rotate at…

A: doutdin=NinNout=ToutTin N4N3=d3d4 N3=N4d4d3=100*52=250 rpm Since pulley 2 and 3 are on same shaft…

Q: The cone clutch given in the figure below is between a construction machine and an engine. provides…

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Q: For the drum brake shown in the following figure, there is an inner rim diameter of 280 mm and…

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Q: Problem 4 The maximum band interface pressure on the brake shown in the figure is 620 kPa. Use a 350…

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Q: The figure shows an internal rim-type brake having an inside rim diameter of 11 in and a dimension…

A: Brake is a mechanical device which absorbs energy from the moving system or any mechanism with the…

Q: Given the following data, calculate tl pressure and balance ratios (externa for both externally…

A: D=61.8mmB=52.6mmd=49.2mmF=188N To-Find:- Balanced/unbalanced=?

Q: The figure shows a band brake designed to prevent "backward" rotation of the shaft. The angle of…

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Q: A wheel of a vehicle transmits 10 hp with 800 rpm. A short external brake is used to stop it. a=…

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Q: The induced nominal stress in a machine member is 28 N/mm² and the value of maximum stress near the…

A: as per our guidlines. I am giving the answer of 1st question if you want to answer of another…

Q: Learning Goal: To be able to calculate the work done by a couple on a rigid body. When a body…

A: A pair is made up of two equal and opposite parallel forces acting on a rigid body at distinct…

Q: Q2/ Hydraulic cylinder is used to lift cars weighing 75 kN for 550 mm in 6 sec. The ratio of…

A: Given Data The weight of the car is:W=75kN The distanc of lift is:h2=550 mm=0.55m The time is:t=6 s…

Q: For the column shown in Figure(2), note that the column buckle about its strong axis (x-axis).…

A: To evaluate the given parameters for the buckling of the column, we can use the Euler buckling…

Q: Shown in the figure is a single block brake. The intensity of pressure between the block and brake…

A: Free body diagram of given figure

Q: The figure shows an internal rim-type brake having an inside rim diameter of 11 in and a dimension R…

A: Brake is a mechanical device which absorbs energy from the moving system or any mechanism with the…

Q: The following parameters are given for the journal bearing. µ = 4 ureyn, N = 651 rev/min, W = 851…

A: The above question based on journal bearing. To calculate the parameters we will use following…

Q: Q2: An external short shoe drum brake, 03D(1/4),r%3D30 Cm, a = 18 Cm, b= 9 Cm, C= 25 Cm and W= 5 Cm.…

A: Given that, r=30 cm,a=18 cm,b=9 cm,c=25 cm,P=5 kW,N=1000 rpm, consider the external short shoe drum…

Q: The figure shows an internal rim-type brake having an inside rim diameter of 11 in and a dimension R…

A: Note: As per our guidelines we are supposed to answer only the first 3 sub-parts. Kindly repost…

Q: Below is the standard weight formula for a aluminum platform. L=(WxL x T) x D Where: Weight (L) = ?…

A: given; maximum load capacity (w)=?width(b)=25cmlength(l)=67cmthickness(t)=1.15cmdensity(ρ)=2.7g/cm3

Q: Figure 2.1 shows a wheels vehicle mode. The mass of the vehicle is 1920 kg and the distance between…

A: Given data: Mass of vehicle = M =1920 kgDistance between Centre of mass and front axle = b= 1.5…

Q: PROBLEMS Problem 1 (Dimensions in mm.) The block-type hand brake shown in the figure has a face…

A: Draw FBD

Q: Q5: The block brake shown in figure has a face width of w=50 mm. The coefficient of friction is 0.25…

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Q: The figure shows an internal rim-type brake having an inside rim diameter of 11 in and a dimension R…

A: Brake is a mechanical device which absorbs energy from the moving system or any mechanism with the…

Q: Determine the (a) The face width in millimeters. (b) Pressure in the left-hand shoe in (kPa). (c)…

A: Given DataR=170mmμ=0.3F=2800NPm=1050kPaρ=150mmf=130°

Q: Plate (brake band) material yield strength 2 σ yield = 7000daN / cm; rivets diameter d = 2 cm, plate…

A: Given: Width of the plate=24cm Diameter of the hole=2cm Maximum allowable tensile…

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.