The artist Anya Calderona constructs the mobile shown in the figure. In the illustrated configuration, the mobile is perfectly balanced.
A) If Anya decides to make the star twice as massive, and not change the length of any crossbar or the location of any object, what does she have to do with the mass of the smiley face to keep the mobile in perfect balance? Note that she may have to change masses of other objects to keep the entire structure balanced.
=> make it twice as massive
Leave a Reply to 足跡を踏破する世界のティソは、1853年、タブ要衝スイス力ロック正式の誕生以来、地域の限界を越えて、まぜる優良な伝統と革新のインスピレーション、ブランドの時計を持ってすばらし Cancel reply