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A 5 kg block is placed on the top of a 1...

A 5 kg block is placed on the top of a 15 kg block as shown in figure . A horizontal force of 60 N is applied to the 15 kg block and the 5kg block is tied to the wall . The coefficient of friction between moving surfaces is 0.2

(a) Draw the free body diagram for each block w.r.t ground and identify the action reaction forces between two blocks .
(b) Determine the tension in the string and magnitude of the acceleration of the 15 kg block .

Text Solution

Verified by Experts

The correct Answer is:
` T= 10 N, a = 2/3 m//s^(2)`
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Knowledge Check

  • A 20 kg block is initially at rest. A 75 N force is required to set the block in motion. After the motion a force of 60 N is applied to keep the block moving with constant speed. The coefficient of static friction is

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    B
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    C
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    D
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