Roller Coaster Physics Concepts

Roller Coaster Physics Concepts

Assessment

Interactive Video

Physics, Mathematics, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial addresses a physics problem involving a roller coaster's speed to complete a vertical loop. It explains the forces acting on the roller coaster, such as gravity and centripetal acceleration, and calculates the minimum speed required at the top of the loop to avoid falling. The tutorial further explores kinetic and potential energy, applying the conservation of energy principle to determine the speed at the bottom of the loop. The instructor emphasizes that the mass of the roller coaster is arbitrary, as it cancels out in calculations, and provides a step-by-step solution to the problem.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary question being addressed in the video?

How to calculate the mass of a roller coaster car.

The minimum speed required for a roller coaster to complete a vertical loop.

How to design a roller coaster loop.

The effect of friction on roller coaster speed.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two forces must balance at the top of the loop for the roller coaster to not fall?

Friction and air resistance

Centripetal force and gravitational force

Magnetic force and gravitational force

Kinetic energy and potential energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for centripetal acceleration used in the video?

a = v^2 / r

a = m * g

a = g * h

a = 1/2 * m * v^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the calculated minimum speed at the top of the loop?

27.12 m/s

12.13 m/s

9.81 m/s

15 m/s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two types of energy are considered at the top of the loop?

Nuclear and chemical energy

Electrical and magnetic energy

Kinetic and potential energy

Thermal and sound energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total energy at the top of the loop calculated in the video?

36787 J

25000 J

10000 J

50000 J

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What principle is used to determine the speed at the bottom of the loop?

Bernoulli's Principle

Archimedes' Principle

Law of Conservation of Energy

Newton's First Law

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