A force of 10N produces an acceleration of 5m/s^2 when it acts on one body and 2m/s^2 on another body . If the bodies are tied together and same force is applied, what will be the acceleration produced?
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Answer: acceleration is 1.42 metres per second square
Explanation: case i
10N = m1 x 5m/s^2
m1 = 10/5 = 2kg
Case ii
10N = m2 x 2m/s^2
m2 = 10/2 = 5kg
Therefore
10N = (m1+m2)*a
10N = (2+5)*a
a = 10/7 = 1.42m/s^2
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