two small kids weighing 20kg ,30kg are trying to balance a seesaw of length 5m with the fulcrum at the - Physics - System of particles and rotational motion

Question

two small kids weighing 20kg ,30kg are trying to balance a
seesaw of length 5m with the fulcrum at the centre one of the kids
is sitting at one end,the other should be sitting at adistance 'x'
from other end ,find 'x' ,please

Abhay Kumar · Accepted Answer

To balance the weight net toque about fulcrum
should be zero
Balancing moment about
fulcrum
20*(2 5) =30(x)
X=20*2 5/30 = 1 66 m
The 30 kg boy will sit at 1 66 m from
fulcrum

two small kids weighing 20kg ,30kg are trying to balance a seesaw of length 5m with the fulcrum at the centre.one of the kids is sitting at one end,the other should be sitting at adistance 'x' from other end ,find 'x' ,please