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The pulley in an Atwood's machine is given an upward acceleration 7.8 m/s2, as shown in the figure. The acceleration of gravity is 9.81 m/s2 . Find...

The pulley in an Atwood’s machine is given
an upward acceleration 7.8 m/s2, as shown in
the figure.
The acceleration of gravity is 9.81 m/s2 .

Find the tension in the string that connects
them. (Hint: a constant upward accelera-
tion has the same effect as an increase in the
acceleration due to gravity.)
Answer in units of N.

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