What is difference between the roller and pulley?

What is difference between the roller and pulley?
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Two bodies of mass 6 kg and 9 kg are connected with a light inextensile string passing over a smooth pulley with one of the bodies on a smooth inclined plane (θ = 30°) and the other hanging freely from the other end. Show that the time taken by 9 kg to pull 6 kg up the entire length is half the time taken by 6 kg to pull 9 kg over the same plane.

Description : Two bodies of mass 6 kg and 9 kg are connected with a light inextensile string passing over a smooth pulley with one of the bodies on a smooth inclined plane (θ = 30°) and the other hanging freely from the ... kg up the entire length is half the time taken by 6 kg to pull 9 kg over the same plane.

Last Answer : Given: Mass of body A (mA) = 6 kg Mass of body B (mB) = 9 kg Angle of inclination of the plane (θ) = 30° Let's assume that the acceleration of body A (aA) and body B (aB) are in opposite ... we know that the time taken (t) is given by the formula: t = √(2d/a), where d is the distance travelled

If w is the angular velocity of the pulley and T1 and T2 are tensions of driving and driven side then power transmitted equals a.(T1 + T2) w b.(T1 + 2T2) w c.107 dynes d.(T1 - T2) w e.wT1

Description : If w is the angular velocity of the pulley and T1 and T2 are tensions of driving and driven side then power transmitted equals a.(T1 + T2) w b.(T1 + 2T2) w c.107 dynes d.(T1 - T2) w e.wT1

Last Answer : d. (T1 - T2) w

In the second system of pulleys, if there are two pulley blocks having 'n1' and 'n2' pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to a.2n1 + n2 b.n1 - n2 c.107 dynes d.2n1 + 2n2 e.n1 + n2

Description : In the second system of pulleys, if there are two pulley blocks having 'n1' and 'n2' pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to a.2n1 + n2 b.n1 - n2 c.107 dynes d.2n1 + 2n2 e.n1 + n2

Last Answer : b. n1 - n2

The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be a.46.4 b.26.74 c.11.6 d.3.2 e.17.7

Description : The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be a.46.4 b.26.74 c.11.6 d.3.2 e.17.7

Last Answer : b. 26.74

Pulley bow

Description : Hello, I got a Predator II Recurve Bow this Christmas and I don't know much about it, maybe I could get an answer on this website. I have several years of experience with reflex bows, so I ... I don't really understand this operation. Maybe there will be someone who will be able to help. Thanks

Last Answer : Need Answer

System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg`

Description : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg`

Last Answer : System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The ... . 2 m/s D. `4sqrt(2) ` m/s

The string in fig. is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and qual to `v_(A)` towards

Description : The string in fig. is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and qual to `v_(A)` towards

Last Answer : The string in fig. is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant ... =0` D. `V_(B)=4/5 V_(A)`

Is a scissors a lever or a pulley?

Description : Is a scissors a lever or a pulley?

Last Answer : Need answer

Is a single fixed pulley superior than a single movable pulley?

Description : Is a single fixed pulley superior than a single movable pulley?

Last Answer : Need answer

If pulley a turn clockwise at 15 rpm how fast and what direction will pulley b turn?

Description : If pulley a turn clockwise at 15 rpm how fast and what direction will pulley b turn?

Last Answer : A simple enough question, but complicated by so many possible variations. For instance, place two cog wheels together so that their teeth mesh. Turn cog A clockwise and cog B will turn anticlockwise ( ... of travel (RPM) would depends on the diametres of the pulley wheels - variations once more!

How can inclined plane and amp a pulley r used to change the amount of force needed to move an object?

Description : How can inclined plane and amp a pulley r used to change the amount of force needed to move an object?

Last Answer : Feel Free to Answer

What compound machine consists of both fixed in movable pulley?

Description : What compound machine consists of both fixed in movable pulley?

Last Answer : Feel Free to Answer

How do i replace crank pulley on 2000 Toyota Tacoma 2.7?

Description : How do i replace crank pulley on 2000 Toyota Tacoma 2.7?

Last Answer : Feel Free to Answer

What is a fixed and movable pulley used together?

Description : What is a fixed and movable pulley used together?

Last Answer : Feel Free to Answer

What type of pulley uses more effort than the load to lift the load from the ground?

Description : What type of pulley uses more effort than the load to lift the load from the ground?

Last Answer : Need answer

In a fixed pulley the effort force is equal to the?

Description : In a fixed pulley the effort force is equal to the?

Last Answer : Mechanical advantage of a fixed pulley

BEARING ID 42MM, OD 75.8MM AND THICKNESS 39MM. WHICH BEARING I CAN USE THIS BEARING WILL BE USING FOR FAN PULLEY?

Description : BEARING ID 42MM, OD 75.8MM AND THICKNESS 39MM. WHICH BEARING I CAN USE THIS BEARING WILL BE USING FOR FAN PULLEY?

Last Answer : Here is a website that lets you put in the specifications of the bearign that you need and it will show you which to buy. from what I can tell, you will need one exactly like what you took out with the exact measurments. http://www.thefind.com/sports/browse-42mm-metric-ball-bearings

how do you remove pulley from motor on a roper dryer?

Description : how do you remove pulley from motor on a roper dryer?

Last Answer : You have to unscrew the hex nut that is attaching the pulley to the motor. It can be relatively difficult so get a torque wrench.

A pulley has a mechanical advantage of 1. What does this tell you about the size and direction of the input and output forces?

Description : A pulley has a mechanical advantage of 1. What does this tell you about the size and direction of the input and output forces?

Last Answer : its like a input or output

Ignition timing of a multi-cylinder SI engine can be adjusted by A. rotating the cam shaft B. adjusting the generator pulley C. rotating the distributor D. adjusting the pump pulley

Description : Ignition timing of a multi-cylinder SI engine can be adjusted by A. rotating the cam shaft B. adjusting the generator pulley C. rotating the distributor D. adjusting the pump pulley

Last Answer : ANSWER : C

A wheel-barrow is an example of – (1) class III lever (2) pulley system (3) class I lever (4) class II lever

Description : A wheel-barrow is an example of – (1) class III lever (2) pulley system (3) class I lever (4) class II lever

Last Answer : (4) class II lever Explanation: In a Type 2 Lever, the load is between the pivot (fulcrum) and the effort. Examples of common tools that use a type 2 lever include: stapler, bottle opener, wheel barrow, nail clippers and nut cracker.

A single fixed pulley is used to draw water from a well because – (1) efficiency is 100% (2) velocity ratio is low (3) mechanical advantage is high (4) force is applied in a convenient direction

Description : A single fixed pulley is used to draw water from a well because – (1) efficiency is 100% (2) velocity ratio is low (3) mechanical advantage is high (4) force is applied in a convenient direction

Last Answer : (4) force is applied in a convenient direction Explanation: A single fixed pulley is used to lift a load upwards by applying efforts downward's. The load and effort move equal distance but in opposite ... apply effort in downward direction. They are used on flag-poles and to draw water from a well.

In the method of tube boring of soil investigation, the following is essential: (A) A tube of about 2 metres length and 20 cm diameter with a cutting edge (B) A flap valve at the bottom of tube is provided to extract the soil sample (C) The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand (D) All the above

Description : In the method of tube boring of soil investigation, the following is essential: (A) A tube of about 2 metres length and 20 cm diameter with a cutting edge (B) A flap valve at the bottom of tube is ... and lowered by 4 thick rope moving over a pulley suspended on a tripod stand (D) All the above

Last Answer : Answer: Option D

Explain About Pulley Block?

Description : Explain About Pulley Block?

Last Answer : Pulley block is a block in which two or three group of pulleys are used with a rope to lift and heavy loads. The load is tied in the hook of the movable block and the effort is applied at the end of the rope which comes through the fixed pulley block.

What Are The Uses Of Jockey Pulley?

Description : What Are The Uses Of Jockey Pulley?

Last Answer : Jockey pulley is used to increase the contacting area in between the belt and pulley and also used to press the belt for giving tension.

The gap between the two halves of axle pulley should be a. 0.5 – 1.0 mm c. 3.0 – 4.0 mm b. 2.0 – 3.0 mm d. 5.0 – 5.5 mm

Description : The gap between the two halves of axle pulley should be  a. 0.5 – 1.0 mm c. 3.0 – 4.0 mm b. 2.0 – 3.0 mm d. 5.0 – 5.5 mm

Last Answer : c. 3.0 – 4.0 mm

belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned respectively near to the bottom of the lower pulley and inside the sphere, over the upper pulley. The top electrode is connected to the sphere and the bottom one to the ground. A high DC potential is applied to the upper pulley. A simple version of which equipment is being described here?

Description : belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned ... potential is applied to the upper pulley. A simple version of which equipment is being described here?

Last Answer : Van de Graaff generator.

V -belt are most suitable for a. less space requirements b. use with adjustable pulley foe speed change c. both (a) and (b) d. none of the above

Description : V -belt are most suitable for a. less space requirements b. use with adjustable pulley foe speed change c. both (a) and (b) d. none of the above

Last Answer : c. both (a) and (b)

Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above

Description : Belt Tension can be adjusted by a. idler pulley b. slide rails c. tilting plate drive d. all the above

Last Answer : d. all the above

Desired tension in an open belt drive system can be maintained (without changing center to center distance between two pulley)by using A)ldler pulley. B)slide rail C) Tilting angle. D)none of the above

Description : Desired tension in an open belt drive system can be maintained (without changing center to center distance between two pulley)by using A)ldler pulley. B)slide rail C) Tilting angle. D)none of the above

Last Answer : A)ldler pulley

A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes through a pulley attached to the shop's ceiling. Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope? w) 100 newtons x) 50 newtons y) 25 newtons z) 5 newtons

Description : A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes through a pulley attached to the shop's ceiling. Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope? w) 100 newtons x) 50 newtons y) 25 newtons z) 5 newtons

Last Answer : ANSWER: X -- 50 NEWTONS

A wheel-barrow is an example of (1) class III lever (2) pulley system (3) class I lever (4) class II lever

Description : A wheel-barrow is an example of (1) class III lever (2) pulley system (3) class I lever (4) class II lever

Last Answer :  class II lever

A single fixed pulley is used to draw water from a well because (1) efficiency is 100% (2) velocity ratio is low (3) mechanical advantage is high (4) force is applied in a convenient direction

Description : A single fixed pulley is used to draw water from a well because (1) efficiency is 100% (2) velocity ratio is low (3) mechanical advantage is high (4) force is applied in a convenient direction

Last Answer : force is applied in a convenient direction

Which is more fun ice skating or roller skating?

Description : Which is more fun ice skating or roller skating?

Last Answer : I thought that Ice skating was more fun and less painful. If you’re ice skating and you fall, there’s a good chance you’ll slide. If you’re roller skating, you go down and friction holds you in place. I think that ice skating was more forgiving, as well.

Have you experienced roller coaster of emotions?

Description : Have you experienced roller coaster of emotions?

Last Answer : answer:Feel the emotions. Cry when necessary. Talk to a close friend who is willing to listen. That was how I handled it once I got to the point of not being self destructive (not drinking, not getting stoned, not eating a quart of ice cream.)

When you paint with a roller, do you ”cut in the wall” first then roll, or roll first then ”cut in”?

Description : When you paint with a roller, do you ”cut in the wall” first then roll, or roll first then ”cut in”?

Last Answer : I worked on a campus paint crew for two years in college, way back. I always prefered to do cutting first, then roll. Both on walls and ceilings. Learned from Supervisor it took less paint, not as ... It would take some experience to be on- point and assured, I would guess. Has anyone tried them?

Do you like roller coasters?

Description : Do you like roller coasters?

Last Answer : Not really, I have had some fun rides over the years but I don;t really care for the whiplash factor and hoping that the crappy little tow cables are strong enough to not fling me off the pinnacle ... a crazed horse, their is still a modicum of control that is missing from being a mere passenger.

Suppose you were the unfortunate woman that plummeted from the top of the roller coaster in Texas. What would be your last thoughts on the way down?

Description : Suppose you were the unfortunate woman that plummeted from the top of the roller coaster in Texas. What would be your last thoughts on the way down?

Last Answer : Out of those I pick d.

Microneedle roller Retailers?

Description : Microneedle roller Retailers?

Last Answer : Seems like you can only order it on the internet at places like Amazon.com.

What should my Roller Derby name be?

Description : What should my Roller Derby name be?

Last Answer : answer:I just did this a hour ago to name a cat. What are two random things you can see right now?

Are you afraid of roller coasters?

Description : Are you afraid of roller coasters?

Last Answer : Love ‘em. Wooden coasters metal rails. To articulation under-hung with loops.

Where are the best places to roller blade outside in Connecticut and Rhode Island?

Description : Where are the best places to roller blade outside in Connecticut and Rhode Island?

Last Answer : answer:Walnut Hill Park in New Britain CT. Bellevue Ave./Ocean Park Dr. Newport RI East Bay Bike Path 14.5 miles starts in Providence ends in Bristol

Did you ever own a skateboard/roller skates & what were some injuries or at least near misses that occured?

Description : Did you ever own a skateboard/roller skates & what were some injuries or at least near misses that occured?

Last Answer : My 10th grade photo clearly shows a black eye I got from rollerskating.I have also punched my friend in the eye by accident on my way down. Skateboarding, I cracked my ass on the cement. The one trick I want to learn is how to defy gravity.I’m almost there.

Has anyone ever used the level editor in Microsoft Train Simulator to build a roller coaster?

Description : Has anyone ever used the level editor in Microsoft Train Simulator to build a roller coaster?

Last Answer : answer:Yes they have… Here are a couple videos of them.. http://www.youtube.com/watch?v=oYuhHl26_PY http://www.youtube.com/watch?v=UALvvfmyFVo Thanks for asking this question… because I really enjoyed watching the videos.

Should I wear glasses or contacts on a roller coaster?

Description : Should I wear glasses or contacts on a roller coaster?

Last Answer : Contacts are fine. If you’re going on a roller coaster that goes upside down, I’d take them off and store them with all the loose shoes that the attendant keeps as well.

In Roller Coaster Tycoon 3, how do I keep the day mode for a custom scenario?

Description : In Roller Coaster Tycoon 3, how do I keep the day mode for a custom scenario?

Last Answer : Just switch it again. It shouldn’t be such a bother. The data that the game uses to save your game apparently does not include the button or switch that changes this option. I used to own this game, but it’s been awhile.

Any ideas on how to modify a "Roller Girl" costume?

Description : Any ideas on how to modify a "Roller Girl" costume?

Last Answer : Put a flower in your hair.

Is derma roller a scam?

Description : Is derma roller a scam?

Last Answer : My bookie says the odds make it a really long shot.

Anyone know anything about derma roller?

Description : Anyone know anything about derma roller?

Last Answer : Link? I got a derma wand and love it when I take the time to use it.

Which pair of roller blades is best?

Description : Which pair of roller blades is best?

Last Answer : Anything made by K2. I have had mine for years and they’re still in great shape (after near endless use, one summer I rollerbladed 75 miles of the bikeways in Vermont with them and have had many similar trips, they’re rugged).