Pulley with cylinder and distance

In summary, the conversation was about finding the linear speed of a cylinder-pulley-block system after the block falls a distance of 2.5 meters. The suggestion was to use the equation for finding acceleration and integrate it twice with respect to time to get a distance formula. Then, use the given distance value to find the time value and substitute it into the first integral to find the velocity.
  • #1
SuperGeek
4
0
Hey, thanks for the help. I came up with acceleration = 2.98 m\s^2

One more quick one: If the cylinder-pulley-block system starts from rest, determine the linear speed of the system after the block falls
d=2.5 meters.

Should I use conservation of energy?
 
Physics news on Phys.org
  • #2
If you know the acceleration you can just figure it out from that.

Doug
 
  • #3
I have a suggestion although I'm not entirely sure it will work.

Take the equation you used to find the acceleration and integrate it twice with respect to time. This will give you a distance formula. Substitute in the value you are given for distance to find the value for time. Substitute that time value into the first integral and you should get the proper velocity.
 

1. What is a pulley with a cylinder and distance?

A pulley with a cylinder and distance is a simple machine that consists of a grooved wheel (the pulley) and a cylindrical object (such as a rope or belt) that is looped around the pulley. The distance refers to the length of the rope or belt that is pulled by the pulley.

2. How does a pulley with a cylinder and distance work?

A pulley with a cylinder and distance works by distributing the weight of an object over a larger area, making it easier to lift. When the rope or belt is pulled, the pulley rotates, allowing the weight to be lifted with less force.

3. What are the advantages of using a pulley with a cylinder and distance?

There are several advantages to using a pulley with a cylinder and distance. Firstly, it reduces the amount of force needed to lift heavy objects. It also allows for easier control and precision when lifting objects. Additionally, it can be used to change the direction of the force being applied.

4. What are the different types of pulleys with a cylinder and distance?

There are three main types of pulleys with a cylinder and distance: fixed, movable, and compound. Fixed pulleys have a stationary axle and are used to change the direction of the force being applied. Movable pulleys have a movable axle and are used to increase mechanical advantage. Compound pulleys combine fixed and movable pulleys to increase both the lifting force and the distance over which the force is applied.

5. How is the mechanical advantage of a pulley with a cylinder and distance calculated?

The mechanical advantage of a pulley with a cylinder and distance is calculated by dividing the load by the effort. The load is the weight of the object being lifted, and the effort is the force applied to the rope or belt. For example, if the load is 100 pounds and the effort is 50 pounds, the mechanical advantage would be 2. This means that the pulley reduces the force needed to lift the load by a factor of 2.

Similar threads

  • Introductory Physics Homework Help
Replies
22
Views
3K
  • Introductory Physics Homework Help
Replies
24
Views
1K
  • Introductory Physics Homework Help
2
Replies
40
Views
2K
  • Introductory Physics Homework Help
Replies
5
Views
417
  • Introductory Physics Homework Help
Replies
30
Views
1K
  • Introductory Physics Homework Help
Replies
17
Views
1K
Replies
39
Views
2K
  • Introductory Physics Homework Help
Replies
6
Views
2K
Replies
13
Views
877
  • Introductory Physics Homework Help
Replies
8
Views
2K
Back
Top