Last Updated On 01-06-2023 - By Jeesha Sara
Two men ‘
’ and ‘
’ are standing on a plank. ‘
’ is at the middle of the plank and 
is at the left end of the plank. Lower surface of the plank is smooth. System is initially at rest and masses are as shown in fig. ‘
’ and ‘
’ start moving such that the position of 
remains fixed with respect to ground, then ‘
’ meets 
Then the point where 
meets
is located at
.png)
|
a) |
The middle of the plank |
b) |
30 cm from the left end of the plank |
|
c) |
The right end of the plank |
d) |
None of these |
Question ID - 100227 :- Two men ‘ ’ and ‘ ’ are standing on a plank. ‘ ’ is at the middle of the plank and is at the left end of the plank. Lower surface of the plank is smooth. System is initially at rest and masses are as shown in fig. ‘ ’ and ‘ ’ start moving such that the position of remains fixed with respect to ground, then ‘ ’ meets Then the point where meets is located at
a)
The middle of the plank
b)
30 cm from the left end of the plank
c)
The right end of the plank
d)
None of these
Two men ‘ ’ and ‘ ’ are standing on a plank. ‘ ’ is at the middle of the plank and is at the left end of the plank. Lower surface of the plank is smooth. System is initially at rest and masses are as shown in fig. ‘ ’ and ‘ ’ start moving such that the position of remains fixed with respect to ground, then ‘ ’ meets Then the point where meets is located at
|
a) |
The middle of the plank |
b) |
30 cm from the left end of the plank |
|
c) |
The right end of the plank |
d) |
None of these |
(c)
Taking the origin at the center of the plank,
.png)
(Assuming the centres of the two men are exactly at the axis as shown in fig.)
Hence, 
and 
meet at the right end of the plank
Next Question :
|
Two particles of equal masses have velocities |
|||||||
|
a) |
Circle |
b) |
Parabola |
c) |
Straight line |
d) |
Ellipse |
m/s and 
at any instant. The first particle has a constant acceleration 
while the acceleration of the other particle is zero. The centre of mass of the two particles moves in aView Topper Answer
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