[Take g =10ms-2 where applicable] Question Two Two particles P and Q have masses 7 m and Fm respectively, where F>7. The particles are connected by a light inextensible string which passes over a smooth light fixed pulley. The system is held at rest with the string taut, the hanging parts of the string vertical and with P and Q at the same height above a horizontal plane as shown. The system is released from rest. After release, P descends with acceleration 5g. (a) State how you used the information that the pulley is smooth. (b) After descending for 1.2sec, the particle A reaches the plane and brought to rest. IfB does not reach the pulley in the subsequent motion, find the greatest height reached by B above the plane.

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter11: Dynamics Of Rigid Bodies
Section: Chapter Questions
Problem 11.10P
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[Take g =10ms-2 where applicable]
Question Two
Two particles P and Q have masses 7 m and Fm respectively, where F>7. The particles are
connected by a light inextensible string which passes over a smooth light fixed pulley. The system
is held at rest with the string taut, the hanging parts of the string vertical and with P and Q at the
same height above a horizontal plane as shown. The system is released from rest. After release, P
descends with acceleration 5g.
(a) State how you used the information that the pulley is smooth.
(b) After descending for 1.2sec, the particle A reaches the plane and brought to rest. IfB does not
reach the pulley in the subsequent motion, find the greatest height reached by B above the
plane.
Transcribed Image Text:[Take g =10ms-2 where applicable] Question Two Two particles P and Q have masses 7 m and Fm respectively, where F>7. The particles are connected by a light inextensible string which passes over a smooth light fixed pulley. The system is held at rest with the string taut, the hanging parts of the string vertical and with P and Q at the same height above a horizontal plane as shown. The system is released from rest. After release, P descends with acceleration 5g. (a) State how you used the information that the pulley is smooth. (b) After descending for 1.2sec, the particle A reaches the plane and brought to rest. IfB does not reach the pulley in the subsequent motion, find the greatest height reached by B above the plane.
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