Last Updated On [03-11-2023]
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)
a1
0; a2
0; a3
0; a4
0
(b)
a1 = a2 = a3 = 0; a4 
0
(c)
a1 = a2 =0; a3
0; a4
0
(d)
a1
0; a2
0; a3 = 0; a4 
0
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) |
a1 |
(b) |
a1 = a2 = a3 = 0; a4 |
|
(c) |
a1 = a2 =0; a3 |
(d) |
a1 |
Question ID - 151850 :-
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
|
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?
|
Next Question :
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A machine gun fires n bullets per second and the mass of each bullet is m. If the speed of bullets is v, then the force exerted on the machine gun will be |
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(a) |
mng |
(b) |
mnv |
(c) |
mnvg |
(d) |
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