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The Mass in the Figure Below Slides on a Frictionless

Question 10

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: The mass in the figure below slides on a frictionless surface.When the mass is pulled out,spring 1 is stretched a distance x<sub>1</sub> from its equilibrium position and spring 2 is stretched a distance x<sub>2</sub>.The spring constants are k<sub>1</sub> and k<sub>2</sub> respectively.The force pulling back on the mass is: A) −k<sub>2</sub>x<sub>1</sub>. B) −k<sub>2</sub>x<sub>2</sub>. C) −(k<sub>1</sub>x<sub>1</sub> + k<sub>2</sub>x<sub>2</sub>) . D) . E) .


A) −k2x1.
B) −k2x2.
C) −(k1x1 + k2x2) .
D) The mass in the figure below slides on a frictionless surface.When the mass is pulled out,spring 1 is stretched a distance x<sub>1</sub> from its equilibrium position and spring 2 is stretched a distance x<sub>2</sub>.The spring constants are k<sub>1</sub> and k<sub>2</sub> respectively.The force pulling back on the mass is: A) −k<sub>2</sub>x<sub>1</sub>. B) −k<sub>2</sub>x<sub>2</sub>. C) −(k<sub>1</sub>x<sub>1</sub> + k<sub>2</sub>x<sub>2</sub>) . D) . E) . .
E) The mass in the figure below slides on a frictionless surface.When the mass is pulled out,spring 1 is stretched a distance x<sub>1</sub> from its equilibrium position and spring 2 is stretched a distance x<sub>2</sub>.The spring constants are k<sub>1</sub> and k<sub>2</sub> respectively.The force pulling back on the mass is: A) −k<sub>2</sub>x<sub>1</sub>. B) −k<sub>2</sub>x<sub>2</sub>. C) −(k<sub>1</sub>x<sub>1</sub> + k<sub>2</sub>x<sub>2</sub>) . D) . E) . .

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