The Work Done by the Force Exerted by the Spring on a Spring

question 30

Multiple Choice

The work
Done by the force exerted by the spring on a mass attached to the end of the spring when the mass has displacement d
Is

• A)always negative.
• B)always positive.
• C)negative half the time,positive the other half of the time.
• D)positive more than it is negative.
• E)negative more than it is positive.