Question: When no force is applied to the brake pedal of the lightweight truck, the retainer spring AB keeps the pedal in contact with the smooth

When no force is applied to the brake pedal of the lightweight truck, the retainer spring AB keeps the pedal in contact with the smooth brake light switch at C. If the force on the switch is F, determine the unstretched length of the spring if the stiffness of the spring is k.

Given:

F = 3 N

k = 80N/m

a = 100 mm

b = 50 mm

c = 40 mm

d = 10 mm

θ = 30 deg


Fs Ve


Fs Ve

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