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Abdullah Masud's Top Achievements
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Abdullah Masud's Top Achievements

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  • Regular Member
  • July 15, 2021
  • Member since June 13, 2021
  • 1 friend
  • 0 likes, 1,455 views, 0/5
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  • Fatima Ahmed
    Fatima Ahmed: Abdullah Masud's answer about the English writing Genghis Khan project. Good logic and reasoning overall! Here is the full project and a screenshot: https://docs.google.com/document/d/1YFPMFSk7o0tzWyat1u3AY2k4WLlmH65c5-Phkk9xcvw/edit?usp=sharing
    • September 10, 2021
  • Fatima Ahmed
    Fatima Ahmed: Hi Abdullah, we just read your answer regarding the Physics project in our site: Dilemma in Taguar Haor. It was very nicely described and very easy to understand with good logic. Your writing can be easily understood by people with little physics...  moreHi Abdullah, we just read your answer regarding the Physics project in our site: Dilemma in Taguar Haor. It was very nicely described and very easy to understand with good logic. Your writing can be easily understood by people with little physics knowledge. Just like required. So good job. Here is your writing link and a screenshot: https://docs.google.com/document/d/1QPxBc2PtUmR6QbY-IkfGEINuuV2nj43oxsNQNz4F5yc/edit?usp=sharing  less
    • September 3, 2021
  • Abdullah Masud
    Abdullah Masud commented on Fatima Ahmed's classified listing.
    Andy Morales and The Rain - $5 Physics Quiz
    Andy Morales and The Rain - $5 Physics Quiz
    Andy Morales and the Rain - $5 Physics Quiz
     
    It's 6p.m, time to leave the railway station - Andy thought to himself, with a big sigh. Living a lonely life since the demise of his wife two years ago, everything to him seemed monotonous and tedious....
    • July 15, 2021
    • Hasnain Tariq likes this.
    • View all 18 comments
    • Abdullah Masud
      Syeda Anmol Andy used the ideology of moment. Moment of force is the idea to make a body to rotate on a pivot. Moment has a simple rule that is the closer you are to the pivot or the point the more energy you would require to rotate the body. This rule is obeyed by...  moreAndy used the ideology of moment. Moment of force is the idea to make a body to rotate on a pivot. Moment has a simple rule that is the closer you are to the pivot or the point the more energy you would require to rotate the body. This rule is obeyed by many objects which we use in our day-to-day life. Like a spanner handle is placed far from the pivot to rotate the nut or nail easier with less force. Similarly, in this case the pivot is the root of the tree, it is the turning point for the tree, when the crowd gathered they applied force very close to the pivot or the root this cause the tree not to budge but when Andy positioned the force on the far end from the pivot it made it easier for the crowd to move the tree. In simple, we can sum it up that the greater the distance the less the force needed and the smaller the distance the more force is needed which this scenario perfectly portrayed.  less
      • July 15, 2021
      • -
      • 1 likes this
    • Abdullah Masud
      Nishat Tamanna Mr. Andy chimed in with the idea of momentum. Momentum is the product of force and the perpendicular distance between the pivot and line of force. He considered providing a force greater than the weight of the tree, but this is only feasible if the force...  moreMr. Andy chimed in with the idea of momentum. Momentum is the product of force and the perpendicular distance between the pivot and line of force. He considered providing a force greater than the weight of the tree, but this is only feasible if the force is delivered on the other side of the root.
      It is a fact that when a force is applied far from the pivot, the force is sufficient to elevate the other force/weight. Mr. Andy used that notion when assisting the individual.  
      • July 15, 2021
      • -
      • 1 likes this
    • Abdullah Masud
      Farhan Shahid Andy's idea concerns the effect of moments. The idea about moments is that the further a force acts away from the pivot(the turning point of an object), the more effective it will be in turning the object. For example, the knob of a door is situated the...  moreAndy's idea concerns the effect of moments. The idea about moments is that the further a force acts away from the pivot(the turning point of an object), the more effective it will be in turning the object. For example, the knob of a door is situated the farthest from its pivot, the hinges. In the picture, we can see that the tree is tilted down towards the side of its roots. From this, we can guess that(counting the car as a pivot) there is a greater load acting downwards in that side of the tree, than the side with the leaves. The way the people were doing it before, they were wasting strength overcoming all the those forces and uprooting the tree. They were using the car as a pivot, and the distance between their force and the car/pivot was not much. However, pushing in an anticlockwise direction on the other side, with the leaves, shifts the pivot from being the car to being the roots, all the way on the other side of the tree. The pivot being far away, the forces proved effective.  less
      • July 15, 2021
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      • 1 likes this
    • Abdullah Masud
      Abdullah Masud Mr Andy was able to use the principles of moment in the above scenario. As mentioned in the scenario, the roots of the tree were fixed with the ground so it was a fixed point and a fixed point is called a pivot. This pivot allowed the tree to be removed...  moreMr Andy was able to use the principles of moment in the above scenario. As mentioned in the scenario, the roots of the tree were fixed with the ground so it was a fixed point and a fixed point is called a pivot. This pivot allowed the tree to be removed over the car. According to the principles of moment, the distance from the pivot to the point where the force is applied is directly proportional to the moment, meaning the longer this distance, the greater the rotation of the tree and that is why Mr Andy applied his force on the farther end of the tree so that with less force would produce greater moment due to the longer distance, away from the tree and was successful to remove it and save the passenger.  less
      • July 15, 2021
      • -
      • 1 likes this
    • Abdullah Masud
      Shaikh Nafisa Binte Fahad Andy told others to help lift the tree from the other side, as the force acting away from the root of the tree made it easier to lift the tree than near the root.
      The car was acting as a pivot here because the weight of the whole tree was on the car. The...  more
      Andy told others to help lift the tree from the other side, as the force acting away from the root of the tree made it easier to lift the tree than near the root.
      The car was acting as a pivot here because the weight of the whole tree was on the car. The bottom side of the tree was not uprooted, so it was heavier than the upper part, so more force was needed to lift it from near the roots. Therefore, it was easier to lift the tree upwards at a certain distance away from the root of the tree as there was less weight in the upper direction.
      Today, we learned about a great example in the field of physics. this topic can be identified as the 'moments'. Moments are directly proportional to the force and distance of a body, just like this one! Easy-Peasy!  less
      • July 16, 2021
  • Abdullah Masud
    Abdullah Masud commented on Fatima Ahmed's classified listing.
    Adam's Brunoise Dice - $5 Physics Quiz
    Adam's Brunoise Dice - $5 Physics Quiz
    Adam's Brunoise Dice - $5 physics quiz
     

    Adam Petropoulos recently got admitted to the culinary institute named Le Monde in Athens, Greece. His career goal was to become a chef.  He loved food!  He wanted to learn the art of flavor...
    • June 27, 2021
    • Sourav Chowhan likes this.
    • View all 22 comments
    • Abdullah Masud
      Khadeeza Afruz Shammee Pascal's principle of pressure describes this knife phenomenon. As a scalar physical quantity ,pressure is defined as the force per unit area applied perpendicular to the surface which it is applied .
      The elementary mathematical expression for pressure...  more
      Pascal's principle of pressure describes this knife phenomenon. As a scalar physical quantity ,pressure is defined as the force per unit area applied perpendicular to the surface which it is applied .
      The elementary mathematical expression for pressure is giving by ,
      P = F/A
      Here, P is the pressure , F is the force acting perpendicular to the surface to which this force is applied and A is the area of the surface .
      The same force applied by a sharp knife with a smaller area of contact will exerts a much greater pressure than a blunt knife having a considerable larger area of contact .
      Once a blunt knife is through the object (vegetable or other food), there is a greater chance for the pressure to lead to slippage, skidding and injury. A sharp knife can cut using the edge of the e knife with a safer slicing. Rather, cuts from sharper knives can actually heal more easily than those from dull knives. A sharp knife is a safer knife than a dull knife.  less
      • June 25, 2021
    • Abdullah Masud
      Aria Hossain In physics force=pressure/area. In order to cut food, you have to exert force. According to the equation, force is directly proportional to pressure. A blunt knife has more area around the cutting edge than a sharp knife. So a blunt knife requires more...  moreIn physics force=pressure/area. In order to cut food, you have to exert force. According to the equation, force is directly proportional to pressure. A blunt knife has more area around the cutting edge than a sharp knife. So a blunt knife requires more pressure for the same amount of force to be exerted, as the pressure applied increases the chances of the knife slipping and cutting Adam's hand increases. Similarly, a sharp knife would require less pressure to be applied for the same amount of force to be exerted, this not only allows Adam to cut through the food but also prevents the knife from slipping and cutting his hand.  less
      • June 26, 2021
    • Abdullah Masud
      Abdullah Julaybib Firstly, you’ll need more pressure to use a blunt knife.
      P=F/A, for a fixed area, force is directly proportional to pressure. If the
      area of a blunt and a sharp knife is same, then doubling the pressure on blunt
      knife means doubling the force....  more
      Firstly, you’ll need more pressure to use a blunt knife.
      P=F/A, for a fixed area, force is directly proportional to pressure. If the
      area of a blunt and a sharp knife is same, then doubling the pressure on blunt
      knife means doubling the force.

      Secondly,F= {m(v-u)}/t

      Assume, two knives have same mass and you take same amount of time to cut. As
      you start from a zero velocity, that means u=0. Ultimately you end up giving
      much more velocity to the blunt than sharp one. So, if you accidentally slip
      while cutting, blunt will hit your finger faster, which might cause a serious
      injury. Sharp knife will have less velocity, which has multiple advantages:
      bringing the sharp knife to rest is easier than blunt one. If you slip, sharp
      knife won’t hit so fast. It may cause a
      little scratch, or you’ll be lucky to stop the sharp knife as soon as it touches your skin (blunt one
      would cause a deep scar).


      For same time duration, point of contact (finger and knife)
      faces two different momenta. As a result,...    less
      • June 26, 2021
    • Abdullah Masud
      Abhay Sunny Pressure= force/area, area of sharp knife is less than area of blunt knife, p is proportional to 1/area, so pressure of sharp knife is more than blunt knife.Don't get confused with the wight and pressuring, pressure is the force on a unit area that is...  morePressure= force/area, area of sharp knife is less than area of blunt knife, p is proportional to 1/area, so pressure of sharp knife is more than blunt knife.Don't get confused with the wight and pressuring, pressure is the force on a unit area that is help perpendicular whereas weight is the force by which the earth attracts everything towards it's center.  
      • June 27, 2021
    • Abdullah Masud
      Abdullah Masud This is simply an example of pressure in our daily lives. Here, according to Pascal's law (P = f/a, where pressure is the force applied over a certain area), the sharp knife can exert greater pressure than the blunt knife, as the sharper knife has less...  moreThis is simply an example of pressure in our daily lives. Here, according to Pascal's law (P = f/a, where pressure is the force applied over a certain area), the sharp knife can exert greater pressure than the blunt knife, as the sharper knife has less contact area for the same force than the blunt knife, so the force would be exerted over a smaller area. So in order to cut anything, one would need to apply a larger force in a blunt knife than a sharper knife, and this might result in the blunt knife cutting the hand due to excessive pressure applied by the user while cutting any other objects.  less
      • June 27, 2021
  • Abdullah Masud
    Abdullah Masud joined the group Coolinventor Contributors
    • June 25, 2021
  • Abdullah Masud
    Abdullah Masud is now friends with Fatima Ahmed.
    • June 19, 2021
  • Abdullah Masud
    Abdullah Masud follow Fatima Ahmed.
    • June 17, 2021
  • Abdullah Masud
    Abdullah Masud has just signed up. Say hello!
    • June 13, 2021
    • Fatima Ahmed likes this.
    • Abdullah Masud
      Fatima Ahmed Hi Abdullah, can you please accept my friend request? I think you answered in the physics quiz.
      • June 16, 2021
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Personal Information

  • First Name Abdullah
  • Last Name Masud
  • Gender Male
  • Birthday August 19, 2005
  • Country Bangladesh
  • Career Interests Technology, Science, Education and Society
  • University N/A
  • University Class of or Expected graduation year null
  • High School or College MLIS
  • High School Class of or Expected graduation year 2023
  • Major Still in High school
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