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Posted by on Tuesday, October 6, 2009 at 12:00pm.

Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 2.4 N. With the three mass values given as m1 = 604 g, m2 = 744 g, and m3 = 693 g. Calculate the magnitude of the acceleration of the three objects.


t1 t2 Fext
m1-----m2----m3------>

  • PHYSICS - , Tuesday, October 6, 2009 at 12:02pm

    F= (m1+m2+m3) * a

    You know F=2.4N and you know all three masses, so convert mass to kg and solve for a.

  • PHYSICS - , Tuesday, October 6, 2009 at 12:02pm

    a=Fext/sumofMasses

    T1=a*m1
    T2=a*(m1+m2)

  • PHYSICS - , Tuesday, October 6, 2009 at 12:12pm

    i did it slightly differently but thank you!

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