Question: The device is used to hold an elevator door open. If the spring has stiffness k and it is compressed a distance , determine the

The device is used to hold an elevator door open. If the spring has stiffness k and it is compressed a distance δ, determine the horizontal and vertical components of reaction at the pin A and the resultant force at the wheel bearing B.

Given:

k = 40N/m

b = 125 mm

δ = 0.2 m c = 100 mm

a = 150 mm θ = 30 deg

BE BI

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