The Mass in the Figure Below Slides on a Frictionless

question 6

Multiple Choice

The mass in the figure below slides on a frictionless surface. When the mass is pulled out, spring 1 is stretched a distance x₁ from its equilibrium position and spring 2 is stretched a distance x₂. The spring constants are k₁ and k₂ respectively. The force pulling back on the mass is:

• A) −k₂x₁.
• B) −k₂x₂.
• C) −(k₁x₁ + k₂x₂).
• D) .
• E) .

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