Question

#Quality Question
@Physics Pulley
Q: Every object(block or pulley) in the system is at rest.Neglect the masses of pulleys and strings. The mass of the object 'A' is?
​

Answer 1

Answer:

HOPE IT HELPS YOU

PLEASE MARK ME AS BRAINLIEST

Explanation:

Given,

2Blocks having mass=2kg,Angle=300 

So, T2=T1+mgsin300=20×21+20=t2⇒T2=30N

So the mass of the block is M=1030=3kg