A spring in equilibrium is 0.8 meters long and an external force of 2 Newtons stretches the spring to a length of 1.2 meters. The work done by the spring force in stretching it from equilibrium to 3 meters, in Newton-meters, is

A)-15.3
B)-13.7
C)-12.1
D)-11.8
E)-10.7

Question

A spring in equilibrium is 0.8 meters long and an external force of 2 Newtons stretches the spring to a length of 1.2 meters. The work done by the spring force in stretching it from equilibrium to 3 meters, in Newton-meters, is
​
A)-15.3
B)-13.7
C)-12.1
D)-11.8
E)-10.7

Quizplus · Accepted Answer

The Answer of A spring in equilibrium is 0.8 meters long and an external force of 2 Newtons stretches the spring to a length of 1.2 meters. The work done by the spring force in stretching it from equilibrium to 3 meters, in Newton-meters, is
​
A)-15.3
B)-13.7
C)-12.1
D)-11.8
E)-10.7

A Spring in Equilibrium Is 0