A hydraulic brake system consists of the brake pedal, a master cylinder, a brake cylinder, a brake shoe, and a wheel drum (see the figure below). When the driverexerts a force Fprake on the pedal, the result is a force of friction f on the wheel drum and hence a frictional torque about the axle. The master cylinder piston'scross-sectional area Ame is 1.80 cm2, while the brake cylinder piston's cross-sectional area Anc is 6.40 cm2. The coefficient of friction between the brake shoe and'mcthe drum is 0.500, and the wheel drum has a radius of 44.3 cm. Determine the frictional torque about the axle when the force exerted on the brake pedal is41.7 N. (Give the magnitude of your answer in N• m.)WheeldrumPedalShoeMasterBrakecylinder cylinderN• m

Name: A hydraulic brake system consists of the brake pedal, a master cylind
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Description: A hydraulic brake system consists of the brake pedal, a master cylinder, a brake cylinder, a brake shoe, and a wheel drum (see the figure below). When the driverexerts a force Fprake on the pedal, the result is a force of friction f on the wheel dru

The pedal, master cylinder and the brake cylinder together form a force multiplier system. This so…

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A hydraulic brake system consists of the brake pedal, a master cylinder, a brake cylinder, a brake shoe, and a wheel drum (see the figure below). When the driver exerts a force Fhrake on the pedal, the result is a force of friction f on the wheel drum and hence a frictional torque about the axle. The master cylinder piston's cross-sectional area Ame is 1.80 cm², while the brake cylinder piston's cross-sectional area Ap is 6.40 cm2. The coefficient of friction between the brake shoe and the drum is 0.500, and the wheel drum has a radius of 44.3 cm. Determine the frictional torque about the axle when the force exerted on the brake pedal is 41.7 N. (Give the magnitude of your answer in N• m.)

A hydraulic brake system consists of the brake pedal, a master cylinder, a brake cylinder, a brake shoe, and a wheel drum (see the figure below). When the driver exerts a force Fhrake on the pedal, the result is a force of friction f on the wheel drum and hence a frictional torque about the axle. The master cylinder piston's cross-sectional area Ame is 1.80 cm², while the brake cylinder piston's cross-sectional area Ap is 6.40 cm2. The coefficient of friction between the brake shoe and the drum is 0.500, and the wheel drum has a radius of 44.3 cm. Determine the frictional torque about the axle when the force exerted on the brake pedal is 41.7 N. (Give the magnitude of your answer in N• m.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

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Question

A hydraulic brake system consists of the brake pedal, a master cylinder, a brake cylinder, a brake shoe, and a wheel drum (see the figure below). When the driver
exerts a force Fprake on the pedal, the result is a force of friction f on the wheel drum and hence a frictional torque about the axle. The master cylinder piston's
cross-sectional area Ame is 1.80 cm2, while the brake cylinder piston's cross-sectional area Anc is 6.40 cm2. The coefficient of friction between the brake shoe and
'mc
the drum is 0.500, and the wheel drum has a radius of 44.3 cm. Determine the frictional torque about the axle when the force exerted on the brake pedal is
41.7 N. (Give the magnitude of your answer in N• m.)
Wheel
drum
Pedal
Shoe
Master
Brake
cylinder cylinder
N• m

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Step 2 Calculate frictional force from force exerted on the wheel drums

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