Which best demonstrates friction
a)an iceskater sliding across the ice without noticeably slowing down
b)a car rolling to a stop at a traffic light
c)a baseball moving in a projectile motion
d)the free fall of astronauts in orbit

Answer: buoyancy forceexplanation: in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.