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Pulleys can be helpful because they provide a mechanical advantage, allowing for easier lifting of heavy objects by distributing the force needed over multiple ropes or cables. They also allow for changes in the direction of force, enabling more flexibility in moving objects. Lastly, pulleys can help in lifting objects to higher heights by reducing the amount of effort required.

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1y ago

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Does a pulley change direction?

Yes, a pulley can change the direction of a force. By using a pulley system, a force applied in one direction can be redirected to move in a different direction. This is helpful in many mechanical systems for changing the direction of motion or the orientation of loads.


What force is overcome when a pulley is used?

A simple pulley is a rope (or chain or belt) with one wheel this may be a class 1 or class 2 pulley.For a class 1 pulley, the pulley stationary and the force applied to the rope is in the opposite direction as the movement of the object.For a class 2 pulley, the pulley is attached to the moving object and the force applied to the rope is in the same direction as the motion of the object.A compound pulley, consisting of an arrangement of more than one simple pulley, provides many other possibilities with the direction of force either the same direction or the opposite direction of the motion of the object being moved.


What is the velocity ration of a pulley?

The velocity ratio of a pulley system is the ratio of the rotational speed of the driving pulley to the driven pulley. It indicates how the speed of the driven pulley relates to the speed of the driving pulley. The formula is: Velocity Ratio = Diameter of driving pulley / Diameter of driven pulley.


How do you calculate velocity ratio in a pulley?

To calculate the velocity ratio in a pulley system, divide the diameter of the driving pulley by the diameter of the driven pulley. This ratio indicates how much faster or slower the driven pulley rotates compared to the driving pulley. It helps to determine the speed or force transmission in the pulley system.


What is the different between Driver pulley to driven pulley?

The driver pulley is the pulley connected to the power source (like a motor), while the driven pulley is connected to the driven load (like a conveyor belt). The driver pulley transfers rotational force to the driven pulley through a belt or chain, allowing the load to be moved or operated.

Related Questions

Would a lever a pulley or inclined plane be least helpful in moving a heavy object?

none of them are the least helpful they all help things move upward except the lever but the most helpful one is the pulley a pulley takes up less space and it goes straight up so u can use less force


Would you use a fixed pulley or movable pulley to lift a heavy load?

Fixed if it weighed as less than you, but a movable pulley wouldn't be helpful here. You'd be best with a pulley with multiple supporting ropes.


Why would there be oil on a pulley?

Either someone has used a belt dressing that left a residue on the pulley or there is a bearing oil seal leaking in the vicinity of the pulley. A few more details of the pulley's environment would be helpful.


Which way does the pulley bolt turn?

Most bolts turn counterclockwise to come off. Year, make, model and which pulley would be helpful.


Why was the pulley helpful?

Yes, because with an extra hand they don't need to make a ladder


What is a single fixed pulley helpful for?

Have you ever seen an old fashion water well, the kind with a bucket? The bucket is raised and lowered by a rope on a single pulley.


What is used with a pulley to change directions of a force?

A rope, cable, string, or belt can be very helpful.


What simple machine is a rope and wheel?

A pulley. Helpful? If it was, click yes, if not, click no, and of course, you don't have to.


Is a rope and a wheel a simple machine?

A pulley. Helpful? If it was, click yes, if not, click no, and of course, you don't have to.


Does a pulley change direction?

Yes, a pulley can change the direction of a force. By using a pulley system, a force applied in one direction can be redirected to move in a different direction. This is helpful in many mechanical systems for changing the direction of motion or the orientation of loads.


What force is overcome when a pulley is used?

A simple pulley is a rope (or chain or belt) with one wheel this may be a class 1 or class 2 pulley.For a class 1 pulley, the pulley stationary and the force applied to the rope is in the opposite direction as the movement of the object.For a class 2 pulley, the pulley is attached to the moving object and the force applied to the rope is in the same direction as the motion of the object.A compound pulley, consisting of an arrangement of more than one simple pulley, provides many other possibilities with the direction of force either the same direction or the opposite direction of the motion of the object being moved.


What is the name of the pulley on a 1997 dodge stratus 2.5 V6?

There is a crankshaft pulley, alternator pulley, power steering pump pulley, AC pulley, idler pulley, tensioner pulley, etc.