What is the radius of the theme park rotor mentioned in the problem?

• 1.5 meters

• 4.5 meters

• 2.5 meters

• 3.5 meters

What happens to the riders when the floor of the rotor drops?

• They float in the air

• They are pinned to the wall

• They move to the center

• They fall to the ground

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which force is responsible for keeping the riders pinned to the wall?

• Centripetal force

• Normal force

• Tension force

• Gravitational force

What is the coefficient of static friction given in the problem?

• 0.80

• 0.70

• 0.60

• 0.50

In the context of the problem, what is the normal force equivalent to?

• Frictional force

• Tension force

• Centripetal force

• Gravitational force

What is the relationship between the frictional force and the weight force in the vertical direction?

• Frictional force is less than weight force

• Frictional force is unrelated to weight force

• Frictional force is greater than weight force

• Frictional force is equal to weight force

Which formula represents the centripetal force in this problem?

• F = m * v^2 / r

• F = m * g

• F = μ * N

• F = k * x

Tags

NGSS.HS-PS2-1

What is the final formula derived to find the minimum speed of the rotor?

• v = √(g * r / μ)

• v = g * r / μ

• v = μ * g / r

• v = √(μ * g / r)

Tags

NGSS.MS-PS3-1

What is the value of gravitational acceleration (g) used in the calculations?

• 10.81 m/s²

• 9.81 m/s²

• 8.81 m/s²

• 11.81 m/s²

Tags

NGSS.HS-PS2-4

What is the minimum speed required for the rotor to keep the riders pinned to the wall?

• 7.92 m/s

• 6.92 m/s

• 4.92 m/s

• 5.92 m/s

Tags

NGSS.HS-PS2-1