Question

What are the forces acting on a girl sitting in a moving cradle ?
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Answer 1

Answer:

If she stands the center of mass moves up.

Thus the effective length is reduced.

T=2π

g

l

Thus time period decreases

Answer 2

Answer:

Hyyy

Explanation:

If she stands the center of mass moves up.

Thus the effective length is reduced.

T=2π √1/g

Thus time period decreases.