3. A mass m is at rest, partially supported by a spring and partially by stops. In the position shown, the spring force is mg/2. At time t=0 the stops are rotated, suddenly releasing the mass. Determine the motion of the mass.

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A:

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A: Given ; F = 950 N Given figure :

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Q: 3. A bar AB is supported by fixed supports at its ends as shown in the figure. An axial load of 12…

A: Please find attached images for solution.

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A:

British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.