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NEET Class neet Answered

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Asked by adititiwari601 | 08 Jun, 2022, 10:48: PM
answered-by-expert Expert Answer
Forces acting on 4 kg block and 5 kg block are shown in figure . T is tension force acting along string.
 
If we apply Newton's second law to 4 kg block, we get
 
T = 4 a  ............................... (1)
 
where a is acceleration of system.
 
If we apply Newton's second law to 5 kg block, we get
 
5g - T = 5 a  ............................... (2)
 
By adding eqn.(1) and (2) , we get , 5g = 9a   or  a = (5/9) × 9.8 = 5.44 m/s2
 
Answered by Thiyagarajan K | 09 Jun, 2022, 08:39: AM
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