SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Three identical uniform rods of the same mass and length are arranged in  plane as shown in fig. A fourth uniform rod of mass 3  has been placed as shown in the  plane. What should be the value of the length of the fourth rod such that the centre of mass of all the four rods lie at the origin?

a)

3

b)

2

c)

(   +1)/3

d)

(2   +1)/3


Question ID - 100215 :-

Three identical uniform rods of the same mass and length are arranged in  plane as shown in fig. A fourth uniform rod of mass 3  has been placed as shown in the  plane. What should be the value of the length of the fourth rod such that the centre of mass of all the four rods lie at the origin?

a)

3

b)

2

c)

(   +1)/3

d)

(2   +1)/3

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)



Next Question :

A particle of mass 2 kg moving with a velocity of 3 m/s is acted upon by a force which changes its direction of motion by an angle of without changing its speed. What is the magnitude of impulse experienced by the particle?

a)

6 N s

b)

2 N s

c)

3  N s

d)

6  N s


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