Tension and Angular Velocity Concepts

Tension and Angular Velocity Concepts

Assessment

Interactive Video

Physics

10th - 12th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explores the relationship between tension and velocity in a circular motion scenario. Initially, it discusses the intuitive expectation that tension increases with speed. Through mathematical analysis, it demonstrates how to solve for tension using equations derived from vertical and horizontal forces. The tutorial reveals a counter-intuitive result where tension decreases as speed increases due to the reaction force of the ball. This example highlights the importance of considering all forces in a system and provides a deeper understanding of physics concepts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial intuition about how tension changes as the speed of the ball increases?

Tension increases

Tension remains constant

Tension fluctuates

Tension decreases

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the mathematical problem for tension?

Ignoring all constants

Throwing all constants into the equations

Solving for velocity first

Calculating the mass of the ball

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the vertical force equation, what trigonometric function is used with tension?

Sine

Tangent

Cosine

Secant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the angular velocity in radians per second for part A?

Pi on 3

Pi on 2

2 Pi

Pi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the calculated tension in the string for part A?

40.1 newtons

30.1 newtons

50.1 newtons

20.1 newtons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What changes in the problem setup for part B?

The length of the string

The angular velocity

The gravitational force

The mass of the ball

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the new angular velocity in radians per second for part B?

3 Pi on 2

Pi on 4

2 Pi on 3

Pi on 2

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