Question

Consider the arrangement in vertical plane. Consider ideal pulleys and strings. Consider all surfaces frictionless. The magnitude of acceleration of point P is ​

Answer 1

Answer:

The tensions are correctly shown in the figure.

Now from the contraint relationship .

the accleration of mass  A is half of that of B.

Explanation:

Hence2a  

A

​  

=a  

B

​  

 

from2a  

A

​  

=a  

B

​  

 

T−mg=ma  

A

​  

=m  

2

a  

B

​  

 

​  

 

fromFBDofmassA,

mg−  

2

T

​  

=ma  

B

​  

 

⇒a  

B

​  

=  

5

2

​  

g

​