The work done by a spring is related linearly to the displacement from equilibrium. A.True B.False.

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Presentation transcript:

The work done by a spring is related linearly to the displacement from equilibrium. A.True B.False

If it takes W amount of work to compress a spring a distance x, how much work does it take to compress the spring a distance 2x? A.W/2 B.2W C.4W D.W 2

Objects A and B are at heights h A and h B above the earth, where h A > h B. Which has more gravitational potential? A.Object A B.Object B C.Depends on velocities of the objects

K i +U i = K f + U f A. is the definition of work B. is the definition of mechanical energy C. is the definition of conservation of mechanical energy D. is not true.

If an object moves upward with a constant velocity, the work that the earth does on the object is A. positive B. negative C. zero.

The earth does ____ work on an object to move it a distance y closer to the surface if the object is has an initial velocity versus one with no initial velocity. A. more B. less C. the same amount of

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