SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

The system in fig. is released from rest from the position shown. After blocks have moved distance  collar  is removed and block  and  continue to move. The speed of  just before it strikes the ground is

a)

b)

c)

d)


Question ID - 100199 :-

The system in fig. is released from rest from the position shown. After blocks have moved distance  collar  is removed and block  and  continue to move. The speed of  just before it strikes the ground is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

Initial acceleration of the system before the collar is removed:

Velocity at the time when the collar is removed:

Acceleration after the collar is removed

Final velocity:



Next Question :

A spool is pulled horizontally by two equal and opposite forces as shown in Figure. Which of the following statement are correct?

a)

The centre of mass moves towards left

b)

The centre of mass moves towards right

c)

The centre of mass remains stationary

d)

The net torque about the centre of mass of the spool is zero


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