1kg and 4kg blocks lie on a rough horizontal
surface. The coefficient of friction between
4kg block and surface is 0.2 while the
coefficient of friction between 1kg block and
the surface is 0.6. All the pulley shown in the
figure are massless and frictionless and all
strings are massless.
Answers
Answer:
=> Here, 1kg and 4kg blocks lie on a rough horizontal surface.
=> For 2kg block:
2T = 20
∴ surface tension, T = 20/2 = 10N
=> For 4 kg block:
4T = 40N
According to question, The coefficient of friction between 4kg block and surface is 0.2.
∴ fs = 0.2 * 40N
= 8N
=> Similarly, For 1 kg block:
1T = 1*10
= 10N
Here, the coefficient of friction between 1kg block and the surface is 0.6.
∴ fs = 0.6 * 10N
= 6N.
Thus, The frictional force acting on 1 k g block is 6N.
Answer:1kg and 4kg blocks lie on a rough horizontal surface.
= For 2kg block:
2T = 20
∴ surface tension, T = 20/2 = 10N
= For 4 kg block:
4T = 40N
According to question, The coefficient of friction between 4kg block and surface is 0.2.
∴ fs = 0.2 × 40N
= 8N
= Similarly, For 1 kg block:
1T = 1×10
= 10N
Here, the coefficient of friction between 1kg block and the surface is 0.6.
∴ fs = 0.6 × 10N
= 6N. Ans...
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Explanation: