Question

As shown in the figure pulley is ideal and strings are mass less. If mass $m$ of hanging block is the minimum mass to set the equilibrium of system, then

• A. $m=2.5kg$
• B. $m=5kg$
• C. force applied by $20kg$ block on inclined plane is $179N$
• D. force applied by $20kg$ block on inclined plane is $223N$

Answer 1

Answer: (A), (C)

The correct options are
A $m=2.5kg$
C force applied by $20kg$ block on inclined plane is $179N$