Two blocks A and B of mass 2m and 3m respectively are connected by a massless string. The whole system is suspended by a massless spring as shown in figure. The magnitude of acceleration of A and B immediately after the string is cut are respectively
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Given:
Two blocks A and B of mass 2m and 3m respectively are connected by a massless string. The whole system is suspended by a massless spring as shown in figure.
To find:
The magnitude of acceleration of A and B immediately after the string is cut are respectively?
Calculation:
In this type of questions, always draw the free body diagram of both the blocks before and after cutting the string.
Diagram 1: Before cutting string
Diagram 2: After cutting string
Before cutting string:
For block A:
For block B:
So, putting value of T :
After cutting string:
For block A:
For block B:
Block B is falling freely, so it's acceleration will be simply "g".
Hope It Helps.
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