1. Why doesn't the ball get blown away to the side, out of the airflow?
A) The ball is sticky
B) The surrounding air pushes it back into the airflow
C) The ball is magnetized
D) The blower pulls it back
2. What happens if you use a much heavier ball of the same size with the same blower?
A) It floats at the same height
B) It floats higher
C) It doesn't float and remains on the ground
D) It floats inside the blower
3. Which factor is NOT essential for the ball to float stably above the blower?
A) The shape of the ball
B) Consistent airflow from the blower
C) The color of the ball
D) The balance between gravitational force and airflow
4. Which principal is described in the video?
A) Bernoulli's principle
B) Principle of Uncertainty
C) Archimedes' Buoyancy Principle
D) Kepler's Laws of Planetary Motion
5. How does Bernoulli's principle explain the movement of an off-centered ball in a stream of air?
A) The air moves faster on one side of the ball, causing lower pressure and pulling the ball towards the center
B) The ball moves due to the gravitational pull of the Earth
C) The air warms up the ball, causing it to rise
D) The air directly pushes the ball out of its path
Answers:
1. Correct Answer: B) The surrounding air pushes it back into the airflow2. Correct Answer: C) It doesn't float and remains on the ground
3. Correct Answer: C) The color of the ball
4. Correct Answer: A) Bernoulli's principle
5. Correct Answer: A) The air moves faster on one side of the ball, causing lower pressure and pulling the ball towards the center.
