Hook's Apparatus

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Cairo University

Faculty of Engineering

Aeronautics and Aerospace Dept.

Hook’s Apparatus

Function

To investigate Hooke's Law.

Calculation stiffness of spring.

Scientific Idea

Most springs obey Hook's law, which states that the force with which the spring pushes back is linearly proportional to the distance from its equilibrium length:

F =- k x , whereF is the resulting force vector - the

magnitude and direction of the restoring force the spring exertsk is the spring constant or force constant

of the spring.x is the displacement vector - the distance

and direction in which the spring is deformed

How does it work ?

Measurements

Questions…?

Sec. B.N

Mohamed Adel Ahmed elDaly 2 35

Hisham Saied Ibrahim 2 72

Mohamed Essam elDin Mohamed 2 40

Mohamed Helmy Abdel Zaher 2 23

Mohamed Hussein Saied 2 22

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