Rotation and Torque Practice

Rotation and Torque Practice

Assessment

Flashcard

Physics

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Torque?

Back

Torque is a measure of the rotational force applied to an object, calculated as the product of the force and the distance from the pivot point (Torque = Force x Distance).

2.

FLASHCARD QUESTION

Front

What is the unit of Torque?

Back

The unit of Torque is Newton-meter (Nm).

3.

FLASHCARD QUESTION

Front

What direction does torque act in relation to the pivot point?

Back

Torque can act in a clockwise or counterclockwise direction depending on the direction of the applied force.

4.

FLASHCARD QUESTION

Front

How do you calculate angular acceleration?

Back

Angular acceleration (α) is calculated by the change in angular velocity (Δω) divided by the time interval (Δt): α = Δω / Δt.

5.

FLASHCARD QUESTION

Front

What is the formula for angular displacement?

Back

Angular displacement (θ) can be calculated using the formula: θ = ω_initial * t + 0.5 * α * t^2, where ω_initial is the initial angular velocity.

6.

FLASHCARD QUESTION

Front

If a merry-go-round starts from rest and reaches an angular speed of 2 radians/second in 3 seconds, what is its angular acceleration?

Back

The angular acceleration (α) is 2/3 rad/s².

7.

FLASHCARD QUESTION

Front

What is the relationship between torque and angular acceleration?

Back

Torque (τ) is related to angular acceleration (α) by the equation τ = I * α, where I is the moment of inertia.

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