A woman is sitting in a chair attached to a massless rope that runs over a massless, frictionless pulley attached to the ceiling. She holds the other end of the rope in the chair. Their combined mass is 95.0 kg. With what force magnitude must the woman pull on the rope if she is to rise: (a) With a constant velocity? (b) With an upward acceleration of 1.3 m/s2? (c) If the rope is instead pulled on by her co-worker on the ground, what force magnitude must the co-worker pull for her to rise (d) With a constant velocity? (e) With an upward acceleration of 1.3 m/s2? (Hint: A free body diagram will be particularly useful...)

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A woman is sitting in a chair attached to a massless rope that runs over a massless, frictionless
pulley attached to the ceiling. She holds the other end of the rope in the chair. Their combined
mass is 95.0 kg. With what force magnitude must the woman pull on the rope if she is to rise:
(a) With a constant velocity?
(b) With an upward acceleration of 1.3 m/s2?
(c) If the rope is instead pulled on by her co-worker on the ground, what force magnitude
must the co-worker pull for her to rise
(d) With a constant velocity?
(e) With an upward acceleration of 1.3 m/s2?
(Hint: A free body diagram will be particularly useful...)
Transcribed Image Text:A woman is sitting in a chair attached to a massless rope that runs over a massless, frictionless pulley attached to the ceiling. She holds the other end of the rope in the chair. Their combined mass is 95.0 kg. With what force magnitude must the woman pull on the rope if she is to rise: (a) With a constant velocity? (b) With an upward acceleration of 1.3 m/s2? (c) If the rope is instead pulled on by her co-worker on the ground, what force magnitude must the co-worker pull for her to rise (d) With a constant velocity? (e) With an upward acceleration of 1.3 m/s2? (Hint: A free body diagram will be particularly useful...)
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