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Figure 3 shows a brake pedal assembly from a car. Under the action of an applied foot force, the pedal lever acts against the fixed pivot and transfers load to the brake cylinder via an actuation rod. The pedal lever is of hollow section, three-sided form with section dimensions as shown in the figure (Section A-A). i Via consideration of the pedal lever as a free body, calculate the reactions acting at the fixed pivot and the 10 mm dia. pin. (hint-take the pin and the pivot as supports) ii. Draw the bending moment diagram for the pedal lever and determine the maximum tensile and compressive stresses arising if a force of 1.3 kN is applied at the foot pedal as shown in Figure 3. (hint exclude the areas of the holes) [Ans o = 134 N/mm² oc = 215 N/mm²]

Figure 3 shows a brake pedal assembly from a car. Under the action of an applied foot force, the pedal lever acts against the fixed pivot and transfers load to the brake cylinder via an actuation rod. The pedal lever is of hollow section, three-sided form with section dimensions as shown in the figure (Section A-A). i Via consideration of the pedal lever as a free body, calculate the reactions acting at the fixed pivot and the 10 mm dia. pin. (hint-take the pin and the pivot as supports) ii. Draw the bending moment diagram for the pedal lever and determine the maximum tensile and compressive stresses arising if a force of 1.3 kN is applied at the foot pedal as shown in Figure 3. (hint exclude the areas of the holes) [Ans o = 134 N/mm² oc = 215 N/mm²]

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3. Figure 3 shows a brake pedal assembly from a car. Under the action of an applied foot force, the pedal lever acts against the fixed pivot and transfers load to the brake cylinder via an actuation rod. The pedal lever is of hollow section, three-sided form with section dimensions as shown in the figure (Section A-A). Via consideration of the pedal lever as a free body, calculate the reactions acting at the fixed pivot and the 10 mm dia. pin. (hint-take the pin and the pivot as supports) Draw the bending moment diagram for the pedal lever and determine the maximum tensile and compressive stresses arising if a force of 1.3 kN is applied at the foot pedal as shown in Figure 3. (hint -exclude the areas of the holes) [Ans ot = 134 N/mm² oc = 215 N/mm*] i. ii. Fixed pivot 10 mm dia. pin 30 mm 5 mm 10 mm 3 mm Actuates brake throughout cylinder > 15 mm 1.3 kN Section A-A Floor pan Foot pedal force Pedal lever Figure 3 Brake pedal assembly from a car 100 200 mm mm
Transcribed Image Text:3. Figure 3 shows a brake pedal assembly from a car. Under the action of an applied foot force, the pedal lever acts against the fixed pivot and transfers load to the brake cylinder via an actuation rod. The pedal lever is of hollow section, three-sided form with section dimensions as shown in the figure (Section A-A). Via consideration of the pedal lever as a free body, calculate the reactions acting at the fixed pivot and the 10 mm dia. pin. (hint-take the pin and the pivot as supports) Draw the bending moment diagram for the pedal lever and determine the maximum tensile and compressive stresses arising if a force of 1.3 kN is applied at the foot pedal as shown in Figure 3. (hint -exclude the areas of the holes) [Ans ot = 134 N/mm² oc = 215 N/mm*] i. ii. Fixed pivot 10 mm dia. pin 30 mm 5 mm 10 mm 3 mm Actuates brake throughout cylinder > 15 mm 1.3 kN Section A-A Floor pan Foot pedal force Pedal lever Figure 3 Brake pedal assembly from a car 100 200 mm mm
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