A Weight of Mass M Is at Rest at O

question 20

Multiple Choice

A weight of mass m is at rest at O when suspended from a spring, as shown. When it is pulled down and released, it oscillates between positions A and B. Which statement about the system consisting of the spring and the mass is correct?

• A) The gravitational potential energy of the system is greatest at A.
• B) The elastic potential energy of the system is greatest at O.
• C) The rate of change of momentum has its greatest magnitude at A and B.
• D) The rate of change of gravitational potential energy is smallest at O.
• E) The rate of change of gravitational potential energy has its greatest magnitude at A and B.

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Definitions:

Club Good

A type of good that is excludable but non-rivalrous, meaning people can be prevented from using it, but one person's use does not reduce its availability to others.

Common Resources

Resources that are not owned by anyone, cannot be easily limited, and are available for use by more than one person or group.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they can be consumed by one individual without preventing the consumption by others, and without leading to a decrease in available quantity.

Inefficient Allocation

When resources are not optimally distributed, leading to a situation where it is possible to improve at least one person's well-being without worsening any other's situation.