The next question refers to the following graph:

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The next question refers to the following graph

• A one-dimensional force, F(x), shown above, acts
  on a particle moving along the x-axis. What is
  the work, W, done by the force on the particle as
  it moves from x 0 m to x 4 m?
• a. W 1 J
• b. W 5 J
• c. W 9 J

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A 4 kg block and a block of mass m are connected
by a massless rope over a frictionless pulley as
shown below. The acceleration, a, of the 4 kg
block is 1 m/s2 downward.
5. If the 4 kg block drops 1 m, how much work,
W, is done on this block by the tension in the
rope? a. W 43.5 J b. W 33.1 J c. W -28.6
J d. W -35.2 J e. W -45.2 J
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A 4 kg block and a block of mass m are connected
by a massless rope over a frictionless pulley as
shown below. The acceleration, a, of the 4 kg
block is 1 m/s2 downward.
6. If the 4 kg block drops 1 m, what is the
total work done on both blocks, Wtot, by the
tension in the rope? a. Wtot 0 b. Wtot gt
0 c. Wtot lt 0
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