Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 06 Nov 2017 My Price 6.00

pulley of negligible mass

A rope of negligible mass passes over a pulley of negligible mass attached to the ceiling, as shown above.
One end of the rope is held by Student A of mass 70 kg, who is at rest on the floor. The opposite end of the rope
is held by Student B of mass 60 kg, who is suspended at rest above the floor. Use g = 10 m/s2
a. On the dots below that represent the students, draw and label free-body diagrams showing the forces on Student
A and on Student B.
.
b. Calculate the magnitude of the force exerted by the floor on Student A.
Student B now climbs up the rope at a constant acceleration of 0.25 m/s2
c. Calculate the tension in the rope while Student B is accelerating.
with respect to the floor.
d. As Student B is accelerating, is Student A pulled upward off the floor? Justify your answer.
e. With what minimum acceleration must Student B climb up the rope to lift Student A upward off the floor?

Answers

Maurice Tutor
(5)
Status NEW Posted 06 Nov 2017 08:11 PM My Price 6.00

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