A girl is swinging on a swing in the sitting position. How will the period of swing be affected if she stands up?
A. The period will now be shorter
B. The period will now be longer
C. The period will remain unchanged
D. The period may become longer or shorter depending upon the height of the girl
Answer:A
A girl is swinging on a swing in the sitting position. How will the period of swing be affected if she stands up?
A. The period will now be shorter B. The period will now be longer C. The period will remain unchanged D. The period may become longer or shorter depending upon the height of the girl