A Mass Attached to the End of a Spring Is

question 4

Multiple Choice

A mass attached to the end of a spring is pulled out and released on a surface with friction.The work
Done on the mass by the force exerted by the spring

• A)never has the same sign as the change in energy owing to friction.
• B)always has the same sign as the change in energy owing to friction.
• C)has the same sign as the change in energy owing to friction during one half of each cycle.
• D)never has the same sign as the change in energy owing to friction if the force of friction is greater than the spring force.
• E)always has the same sign as the change in energy owing to friction if the force of friction is greater than the spring force.

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Definitions:

Vectors

Physical quantities defined by both magnitude and direction, such as displacement, velocity, and acceleration, often represented graphically by arrows.

Magnitude

The size, length, or amount of something, often measured in mathematical terms.

°

Degree, a unit of measurement for angles or temperature.

Vectors

Physical quantities characterized by having both magnitude and direction, commonly used in physics and engineering to describe forces, velocity, etc.