Angular Velocity of Hand Crank & Axle

In summary, the conversation discusses how a hand crank, axle, and bucket are connected and how they operate. It is mentioned that the angular velocity of the hand crank and axle are the same, leading to the equal linear velocity of the axle and the bucket. Additionally, it is noted that English may not be the first language of one of the speakers.
  • #1
hippolyta2078795
12
0
I have a problem involving a hand crank, an axle, and a bucket. The crank turns the axle. The axle lowers the bucket. When someone spins a hand crank, the angular velocity of the hand crank and the axle are the same right? I think it and they seem to be the same.

The velocity of the bucket equals the linear velocity of the axle. Correct.

Sorry if my English isn't good as it is not my first language.
 
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  • #2
Yes, the angular velocity of the crank and axle are the same, as you stated.
The linear velocity of the axle at it's edge would be [itex] \omega r [/itex], which would be equal to the velocity of the bucket.
 
  • #3


I can confirm that the angular velocity of the hand crank and the axle are indeed the same. This is because the hand crank is directly connected to the axle, and any rotation of the hand crank will result in the same rotation of the axle. This concept is known as the principle of conservation of angular momentum.

Furthermore, the linear velocity of the bucket is directly related to the angular velocity of the axle. This is due to the fact that the bucket is attached to the axle and will move at the same speed and direction as the axle.

I can understand that English may not be your first language, but your understanding of the relationship between the hand crank, axle, and bucket is correct. I hope this explanation helps clarify any confusion.
 

What is angular velocity?

Angular velocity is a measure of the rate at which an object rotates around a central point, usually expressed in radians per second. It is a vector quantity and is used to describe the speed and direction of rotation of a rotating object.

How is angular velocity calculated?

The formula for calculating angular velocity is ω = Δθ/Δt, where ω represents angular velocity, Δθ represents the change in angle over a given time period, and Δt represents the change in time. Angular velocity is usually measured in radians per second (rad/s).

What is the relationship between angular velocity and linear velocity?

Angular velocity and linear velocity are related through the formula v = ωr, where v represents linear velocity, ω represents angular velocity, and r represents the radius of the rotating object. This means that as the angular velocity increases, the linear velocity also increases, but this relationship also depends on the radius of the rotating object.

How does the hand crank affect the angular velocity of the axle?

The hand crank is responsible for providing the torque or rotational force that causes the axle to rotate. The faster the hand crank is turned, the greater the angular velocity of the axle will be. However, the angular velocity of the axle will also depend on other factors such as the size and weight of the object being rotated.

What factors can affect the angular velocity of a hand crank and axle system?

The angular velocity of a hand crank and axle system can be affected by various factors such as the size and weight of the object being rotated, the amount of torque applied by the hand crank, and the friction between the hand crank and axle. Other factors such as the shape and material of the hand crank and axle may also play a role in determining the overall angular velocity of the system.

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