A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with the horizontal. a. Draw a labelled free body diagram showing all the forces that act on the vacuum cleaner. b. What is the magnitude of the work done by the weight of the vacuum cleaner? Explain briefly. c. Calculate the work done by the force F on the vacuum cleaner as the vacuum cleaner is displaced 3 m to the right.

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Chapter5: Energy
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Problem 7CQ: As a simple pendulum swings back and forth, the forces acting on the suspended object are the force...
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A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an angle of 30° with
the horizontal.

a. Draw a labelled free body diagram showing all the forces that act on the vacuum cleaner.
b. What is the magnitude of the work done by the weight of the vacuum cleaner? Explain briefly.
c. Calculate the work done by the force F on the vacuum cleaner as the vacuum cleaner is
displaced 3 m to the right.

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