Three blocks are suspended as shown in the figure. The acceleration of the 500 g block is
A
downwards
B
downwards
C
downwards
D
upwards
Text Solution
Verified by ExpertsThe correct answer is:
C
downwards
500g - T = 500 ....(1)
T- 100g sin 30° - T" = 100a
Or, T - T" – 50g = 100a ...... (2)
Again, T" – 50g = 50a ...... (3)
From equations (2) and (3),
T – 100g= 150a ...... (4)
Adding equations (1) and (4), 400g = 650a or 
This acceleration is downwards.
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