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System is shown in figure. System is in equilibrium state. Assume that springs, threads and pulley are weightless. If the lower thread A has been cut, immediately masses m1, m2, m3 and m4 get accelerations a1, a2, a3, and a4 respectively. Which of the following is true?

 

(a)

a10; a20; a30; a40

(b)

a1 = a2 = a3 = 0; a4 0

(c)

a1 = a2 =0; a30; a40

(d)

a10; a20; a3 = 0; a4 0

 



Question ID - 151850 | SaraNextGen Top Answer

System is shown in figure. System is in equilibrium state. Assume that springs, threads and pulley are weightless. If the lower thread A has been cut, immediately masses m1, m2, m3 and m4 get accelerations a1, a2, a3, and a4 respectively. Which of the following is true?

 

(a)

a10; a20; a30; a40

(b)

a1 = a2 = a3 = 0; a4 0

(c)

a1 = a2 =0; a30; a40

(d)

a10; a20; a3 = 0; a4 0

 

1 Answer
127 votes
Answer Key / Explanation : (b) -

a1 = a2 = a3 = 0; a4 0

127 votes


127