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One 2.5 kg paint bucket is hanging by a massless cord from another 2.5 kg paint bucket, also hanging by a massless cord, as shown in Fig. 4-44.

(a) If the buckets are at rest, what is the tension in each cord?
(lower cord)________ N
(upper cord)________ N

(b) If the two buckets are pulled upward with an acceleration of 1.70 m/s2 by the upper cord, calculate the tension in each cord.
(lower cord)________ N
(upper cord)_________N

  • Physics - ,

    a.)1st-> 2.5*2 = 5kg
    5kg(9.8m/s^2) = 49N
    2nd-> 2.5kg(9.8m/s^2)= 24.5N

    b.)1st-> 5kg(9.8m/s^2 - 1.70m/s^2)
    = 5kg(8.1m/s^2)
    = 40.5N
    2nd-> 2.5kg(8.1m/s^2)
    = 20.25N

  • Physics - ,


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