A child with a mass of 20 kg sits at a distance of 2 m from the pivot point of a seesaw. where should a 16-kg child sit to balan

Question

ziro4ka [17]

3 years ago

12

A child with a mass of 20 kg sits at a distance of 2 m from the pivot point of a seesaw. where should a 16-kg child sit to balan

ce the seesaw g

Physics

1 answer:

Maksim231197 [3] · Answer 1 · 2022-07-07T19:48:37+03:00

Maksim231197 [3]3 years ago

4 0

In the above problem, we need to find mass of the second child, so that the Center of Mass remains at the origin( pivot).

CM= m1r1+m2r2/m1+m2
0= 20*-2+16*r2/20+16
r2= 40/16
r2= +2.5 m