Question

If the stiffness of the cantilever beam increases in a given input (force), how do you...

If the stiffness of the cantilever beam increases in a given input (force), how do you expect the change of the strain gauge output? Describe the reason with mathematical relationship.

Homework Answers

Answer #2

1) Stiffness = force / displacement

This relation shows that stiffness is directly proportional to force.

2) stress = force/ area

This relation shows that stress is directly proportional to force.

3). Hooks law -

Stress = K x Strain ( K is young’s modulus of elasticity)

It shows when in elastic limits stress is directly proportional to strain.

So to conclude,

As per your question stiffness is increasing, so the force will increase , force is increasing then stress is increasing and hence the strain will increase.

answered by: anonymous
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