Two children of equal mass sit on opposite ends of a massless 4.0 m seesaw that is…
PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
Two children of equal mass sit on opposite ends of a massless 4.0 m seesaw that is initially in rotational equilibrium about its central pivot. One child scoots 0.20 m closer to the pivot. Which of the following actions will best restore rotational equilibrium?
(a) The other child moves 0.20 m farther from the pivot.
(b) The other child moves 0.10 m closer to the pivot.
(c) The other child moves 0.20 m closer to the pivot.
(d) The other child moves 0.40 m closer to the pivot.