A pail of water is rotated in a vertical circle of radius 1.02 m. (a) What two e

Question

A pail of water is rotated in a vertical circle of radius 1.02 m. (a) What two external forces act on the water in the pail? the gravitational force the normal force from the pail the Coriolis force (b) Which of these two forces is most important in causing the water to move in a circle? the gravitational force the Coriolis force the normal force from the bucket (c) What is the pail's minimum speed at the top of the circle if no water is to spill out? m/s (d) Assume the pail with the speed found in part (c) were to suddenly disappear at the top of the circle. Describe the subsequent motion of the water. Would it differ from the motion of a projectile? Yes No

Explanation / Answer

(a) the gravitational force
and normal force from the pail
(b) The normal force from the bucket and the gravitational force.
(c) mV2/r = mg
V2 = rg = 1.02*9.81
V = 3.163 m/s
(d) It will follow parabolic path
(e) No
It will not differ from the projectile motion.

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