In the figure shown with what force must the man pull the rope to hold the plane in position? Weight of the man is 80kgf. Neglect the weights of plank, rope and pulley.
120 kgf
80 kgf
40 kgf
20 kgf
- - - - 1
FBD of man
.......(2)
The man applying force on the rope (F) = T2
FBD of the plank
...........(3)
Fro equation (2)
Force applied by man =
Study 40% syllabus and score up to 100% marks in JEE