Question

1. Batsheva sits on a spinning stool with her arms folded. What happens to her angular velocity if she

   does not move her body and the stool spins without friction

2. Eden and Ohad have the same mass. Eden sits at his desk in Rhode Island and Ohad sits at his desk in

   Ecuador (near the Equator). Who has more kinetic energy due to Earth’s rotation, Eden or Ohad, or is

   is the same

3. A space probe is launched from Earth and sent on a trip to the Moon, following a straight-line path.

   Is there a point along the way where the net gravitational force on the probe due to the Earth and

   Moon is zero, and if so is that point closer to the Earth or the Moon

4. Menachem Mendel and Moshe are the same weight and we wear identical shoes. When they both keep their feet on the ground, Menachem Mendel can lean forward farther than Moshe before falling. All other things being equal whose center of gravity is closer to the ground when both are standing straight

Answer 1