Skip to content / Đến nội dung
ThichHocToan.com

IMSO 2008 Science International - Theory II Question 7

IMSO Science · IMSO 2008 Science International - Theory II

Question 7

How can an acrobat walk on a narrow tightrope using a balancing pole?
  1. The acrobat can reduce the gravitational force.
  2. The balancing pole can “hold” the air to support the acrobat.
  3. The balancing pole helps the acrobat set the centre of mass on the string.
  4. The balancing pole can levitate the acrobat.
  5. The soles of the acrobat’s shoes are sticky.